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Microsoft released the final code for a set of libraries that enables developers to write applications for Windows 7 that will also preserve the Windows 7 look and feel when the application is run on Windows Vista.

The Platform Update for Windows Vista is a free download from Windows Update, Windows Server Update Services and the Microsoft Download Center. There is also a similar package for deployment on Windows Server 2008.

The announcement of the code libraries came in a post on the Windows 7 Team Blog.
"It includes updates to DirectX to support hardware acceleration for 2D, 3D and text-based scenarios; DirectCompute for hardware accelerated parallel computing scenarios; and XPS Library for document printing scenarios," according to a Microsoft document online.
Among the runtime libraries provided as part of the platform updates is code that supports the "ribbon" user interface used in Office 2007 and some Windows 7 utilities, for example. There's also support for Windows 7 graphics and imaging as well as the XPS library for printing.

Additional technologies include support for accessibility tools, and for standardizing data transfers to and from mobile devices.

Windows 7 already contains all of the technologies supported in the code libraries in the Platform Update for Vista, as does Windows Server 2008 Release 2 (R2). Developers need to be running Vista and Windows Server 2008 with Service Pack 2 installed to use the libraries.

The move is a recognition that despite the fact that Vista was not considered a popular Windows version, there are none-the-less at least tens of millions of copies of Vista in use, and many of them will remain in place for years.

The platform update provides a way for developers to save effort while making sure that those users with Vista are not orphaned as Windows 7 enters the market.
"The Platform Update for Windows Vista enables consumers running Windows Vista to be able to run the latest games, productivity applications, and other software," - According To a Microsoft spokesperson.

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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Using Windows software on Linux

This is the first question and hence a hurdle in people switching over to Linux. I would like to specify that. Yes! most windows products work on Linux.

The only thing you will need is WINE... More here: http://www.winehq.org.



Wine is a sfotware for Linux which acts as a "think layer" to help run Windows softwares without letting them know that they are working on Linux.

Wine creates a C: drive which is absent in Linux and installs and runs these programs on this C: drive (this is the best I can put in Layman's language.) 

How to install WINE?

1. Installing programs is not as on Windows. There is a dedicated application as in Windows "add/remove programs" wherein you can install and uninstall the programs on Linux.

2. The detailed procedure to install WINE on Ubuntu is specified here: http://www.winehq.org/download/deb (If you have any trouble installing WINE...let me know...I will try to guide you)
3. Once you have installed WINE, installing EXE files is easy as on Windows.
4. Right Click on any EXE file you want to install and select "open with 'wine windows program loader'". This will install the program as in Windows.
5. Not all programs might run but most do!

6. After Wine is installed, a menu for WINE is visible in the main applications Menu. All the programs installed with WINE are visible under this sub-menu.

7. You can also uninstall any Windows program from this WINE sub-menu.

The programs I have till now installed using WINE and working fine are:
1. MozBackup
2. Firefox
3. Thunderbird
4. AutoCAD

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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Recently I installed Ubuntu [Linux] as a dual boot OS with Vista already installed on my Machine. I faced lot of problems, but the end result was worth all the trouble as Ubuntu rocks.

In this post, I will post the step by step method to install Ubuntu (or any of its other versions such as Mint) as a dual boot OS on Vista machine. I will also specify some mistakes I made and what I learned out of  those.

Thanks to GodFather for this motivation in making me use Ubuntu and also to make me open this thread for others would be motivated

The first step to install Ubuntu was to creat a partition on my existing hard drive. There are two ways how you can do it in vista / Windows 7:

1. In built 'Shrink Disc' feature in Vista
2. Use a disk partition software to do it for you.

Ubuntu or Mint comes with an inbuilt disk partitioner. What is required is a unallocated free space on your hard drive so that it can be partitioned while installing Ubuntu.

1. Making Space using "Shrink Disc" feature in Vista:
  • a. Log on to Vista.
  • b. Right-Click on "My computer" in the main menu and select "Manage"
  • c. It will ask for administrator password, enter it and click "allow"
  • d. Click on Disc Management.
  • e. There is will show the available partitions and external storage devices if any
  • f. Right Click on the disc partition you want to shrink and select "shrink volume"
  • g. Vista will assess how much space can be made free.
  • h. It will suggest the value which can be made free. Be sure that this is at least 10-15 GB. If you dont have this space, you will have to delete some data to make space for the partition.
  • i. Then select "shrink"
  • j. Vista will shrink the volume and show the new freed space as "unallocated" space.
  • k. After this close the window. You are done with shrinking
2. Making Space using a Disk Partition software:
  • a. I had problem that vista used to say "access denied" when I tried to shrink the main C: Drive (I had only on partition )
  • b. So I used a Free Disk Partition Software to shrink the space.
  • c. You can use the following software: EasyUS partition Master-Home Edition which you can download here: http://www.partition-tool.com/
  • d. Using this it is easy to create space for a new partition.
  • e. Using the above program, select the partition you want to shrink/resize
  • f. Using the "Resize" tool you can shrink the volume and the rest of the space would be shown as "unallocated space"
  • g. Apply the changes and you are done
The next step is to install Ubuntu
Installing UBUNTU:
1. You will need to download the latest ISO for Ubuntu or Mint from here:

2. You will need to burn this ISO image on to a CD (700 MB or more).

3. For burning this ISO you will have to use an ISO burning software. One such free software is: Free ISO burner: http://www.freeisoburner.com/

4. Be sure to burn the ISO image at a very slow speed. This extra time spent will help you install Linux trouble-free.

5. When the disc is ready, restart the computer. Be sure that in BIOS setup the CD drive is above the hard disc in boot priority.

6. Once restarted the disc will boot before the hard disc.

7. In the menu that is displayed, select "run installer" and follow the instructions.

8. Once you have selected language, Location and Keyboard configuration....the disk partitioner of ubuntu will run and show you various options as to where Ubuntu should be installed.

9. Select "Largest continuous free space" as this will select the "unallocated space" that we have created in the earlier step.

10. After this follow the next instructions to complete the installation.

11. The installation will prompt you to import the settings from Vista. If you want do import these.

12. I preferred not to import as it will copy the documents from Vista partition to the new partition of Ubuntu and just eat up the partition space. You can always access the vista documents from Ubuntu as Vista partion will be shown as a hard disk in "My computer".

13. Complete the installation. It will prompt to restart the computer. Do so.

14. After restart, the menu will show Ubuntu and Vista a dual boot OS and now you are free to choose the OS you want to load.

Using Windows software on Linux.. Will Continue In My Next Post.

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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Titanic was a British passenger ship that struck an iceberg and sank in the North Atlantic Ocean in 1912. The disaster occurred on the liners first voyage, from Southampton, England, to New York City. The Titanic sideswiped the iceberg at about 11:40 p.m. on April 14. The impact caused a number of small cracks and failed riveted seams in the ship's hull.

Seawater flooded through the bow of the ship. About 2.1/2 hours later, the vessel broke in two and sank. The Titanic carried enough lifeboats for only about half of its approximately 2,200 passengers and crew. The first rescue ship to reach the site, the British liner Carpathia, arrived about 4:00 a.m. and picked up 705 survivors, most of whom were women and children. A total of 1,517 people died in the disaster.

The Titanic Captain, Edward J. Smith, went down with his ship.
The Titanic was the largest and most luxurious ocean liner of its time. It displaced (moved out of place) more than 53,000 metric tons of water and measured 269 meters in length. Many people believed the ship was unsinkable because its hull was divided into 16 watertight compartments. Even if 2 of those compartments flooded, the ship could still float.

As a result of the collision with the iceberg, 6 compartments initially flooded. In 1985, a team of French and American scientists led by Robert D. Ballard of the United States and Jean-Louis Michel of France found the wreckage of the Titanic. The ship lay in two sections about 650 kilometres southeast of Newfoundland at a depth of about 3,800 meters.

For years, people thought that the Titanic sank because the iceberg cut a huge gash in its hull. But the wreck showed no sign of a gash. A study of steel samples from the ship concluded that the hull was made of a steel that became brittle in the frigid North Atlantic waters and fractured easily during the collision. Inquiries have also shown that the Titanic was traveling too fast for an area where there was danger of icebergs.

John Jacob Astor (1864-1912), great-grandson of the family's founder, managed property, wrote science-fiction, and invented various devices, including an improved marine turbine and a bicycle brake. He built the Astoria section of the Waldorf-Astoria Hotel, and also the Knickerbocker and St. Regis hotels. He died in the sinking of the liner Titanic.

Astor was born in Rhinebeck, New York, U.S.A. After the collision, most passengers were not aware that the ship was going to sink. Determined to avoid a panic, Captain Smith instructed crew members to calmly inform the passengers to put on their lifejackets and report to the boat deck. Many were told that entering the boats was merely a precaution, and they would return to Titanic by morning. These reassuring words persuaded many reluctant wives to leave their husbands and board the lifeboats. Third class passengers were not even advised to report to the boat deck. They were simply assembled below and told to await instructions. It was commonly reported that, most likely in an effort to manage the crowd, many staircases and passageways leading from lower sections of the ship were locked off, thus preventing escape to all but the most intrepid. (Since there was virtually no testimony taken from third class passengers in either of the two official investigations of the disaster, these reports did not come to public attention until years later.) One steward, John Hart, escorted two groups of third class women and children up through the tortuous route from the base of the third class stairwell to the boat deck. Aside from Hart¹s heroic efforts, the third class passengers were left to find their own way, and most of them did not succeed.

The band played light, cheerful music as the ship sank.
There were actually two bands on Titanic, the standard 5-piece group, plus a special 3-piece string ensemble (violin, cello and piano) that played in the reception room outside the Palm Court and Cafe Parisien. The musicians were technically traveling as second class passengers - the bizarre result of a labor dispute - but they were effectively members of the crew. At the Captain's request, the musicians assembled on deck and played upbeat music to help keep people calm and avert panic as the lifeboats were being loaded. Two of the popular tunes recalled by survivors were "Alexander's Ragtime Band" and "Autumn." Numerous people recounted that the band played until very shortly before the ship went down, although one survivor, Col. Archibald Gracie, said they laid down their instruments at about 1:50 AM. None of the musicians survived the tragedy.

Titanic was never christened.
When the bare hull was completed, an enormous ceremonial event was held on May 31, 1911 at the Belfast shipyards of Harland & Wolff. Titanic had been built in a special slip employing the largest gantry in the world. The river had been dredged to accommodate the deep drafts of Titanic and Olympic . About 100 members of the press were present, many of whom had been brought to Belfast from England on a steamer specially chartered for the occasion by White Star Line.

Along with dignitaries such as J.P. Morgan (who owned White Star Line), J.Bruce Ismay (White Star's Managing Director and son of its founder) and Lord Pirrie (partner in Harland & Wolff), thousands of people came out to see the great ship slide down the ways. But there was no christening, no bottle of champagne smashed against her bow. White Star did not customarily indulge in such old-fashioned and superstitious practices. J. Bruce Ismay pressed a button, the electric rams shoved the 26,000 ton hull and, sliding on 23 tons of tallow, train oil and soft soap, Titanic slid into the harbor. Powered by her weight alone, she attained a speed of 12 knots, equal to the top cruising speed for many of the steamers that then worked the North Atlantic.

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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In Windows XP and Windows Vista, you have special folders named “My Documents,” “My Pictures,” and so on for storing your files. However, not many people actively used these folders for storing their personal data. Instead, people created their own folders, with names like C:\My project June 2008 and C:\photos\Photos from Japan trip 2009.

Although there is nothing wrong with this approach, it makes indexing and searching very time-consuming, not to mention frustrating.

In Windows 7, Microsoft has attempted to address this problem with the concept of Libraries. Conceptually, Libraries are a central repository of all the various folders on your computer. To search for files in your computer, go to the Libraries and navigate the various subfolders contained within it. You can still create an assortment of folders, but you can avoid the chaos by adding a folder to one of your libraries.

Exploring Libraries
The Libraries are found in Windows Explorer. Figure below shows the application with its four default libraries—Documents, Music, Pictures, and Videos.

Figure: The Libraries in Windows Explorer

When you click the arrow to the left of the Documents library (or double-click its icon), you will observe that there are two folders contained within it (see Figure below): My Documents and Public Documents. These two folders are actual folders located elsewhere
on your computer.

Figure: The Documents library, which contains two folders
Each library is mapped to two separate folders for a good reason. The first folder, called the private folder, is for saving your own personal data. The second folder, called the public folder, is for everyone. If you use the HomeGroup feature to share files, the private folder will have read-only permission. This means that other users on the network can view what is in your private folder, but cannot make changes to it. In contrast, public folders will have read-and-write permissions, which means that other users can view their content as well as make changes to it.

In fact, My Documents is mapped to C:\Users\username\My Documents and Public Documents is mapped to C:\Users\Public\Public Documents.

With the Libraries, all your content should ideally be grouped under the default libraries. For example, all your documents should be saved in either the My Documents or Public Documents folder. When you need to search for documents, you simply go to the Documents library and start your search from there.

Creating Your Own Library
Of course, not everyone wants to save their documents in a generic folder named My Documents. You can still save your documents in a specific folder—say, C:\My Report June 2009—and then link it with the Libraries. Suppose you want to create a library to contain all your reports. In this case, the first thing you do is to create a new library by right-clicking Libraries and selecting New→Library (see Figure below).

Figure: Creating a new library
Name your library (for this example, I have named it as Reports) and your newly created
library will now be empty (see Figure Below).

Figure: Your newly created library
To link your library to an actual folder, click the “Include a folder” button and specify a folder name. For example, I have added the C:\My Report June 2009 folder to my library.  The Reports library now looks like Figure Below.

Figure: Adding a folder to a library
To add more folders to the library, click the “1 location” link (see Figure below).

Figure: Adding more folders to the library
Click the Add button to specify a folder to add to the library (see Figure below). You can add as many folders are you like.

Figure: Adding additional folders to the library
Note that the first folder added to the library will be the default save location for the library. This means that when you drag-and-drop an item to the Reports library, the item will be copied into the My Report June 2009 folder (because this is the first folder added to the library).

You specify another folder as the default save location by right-clicking a folder in this list and choosing “Set as default save location.” You can change the order in which these appear by right-clicking and choosing Move Up or Move Down. You can now use the library just like a normal folder. The files inside each folder are saved in their respective directories, but the library itself offers a logical grouping of related files (see Figure below).

Figure: Using the library
You may remove the entire library if you want, but this will not remove the files or directories that are part of the library.

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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Windows XP Mode for Windows 7 makes it easy to install and run many Windows XP productivity applications directly from your Windows 7-based PC. It utilizes virtualization technology, such as Windows Virtual PC, to provide a virtual Windows XP environment for Windows 7. 

What is Windows Virtual PC?
Windows Virtual PC is the latest Microsoft virtualization technology for Windows 7. It is the runtime engine for Windows XP Mode to provide a virtual Windows environment for Windows 7. 


With Windows Virtual PC, Windows XP Mode applications can be seen and accessed from a Windows 7 desktop.

Installation step 1: Opening Windows XP
To install applications in Windows XP Mode, you start by selecting Windows XP Mode from the Windows 7 Start Menu.

Installation step 2: Adding your application
You can install applications in Windows XP Mode just as you normally would on a physical PC. For example, you can install applications via web, from storage devices, or from physical media such as CD/DVD 

Running Windows XP Mode applications
To run your application directly from the Windows 7 desktop, just go to your Start menu. 

Few of Windows Virtual PC’s newest features  
Easy setup of Windows XP Mode
Once both the Windows Virtual PC and the virtual Windows XP environment are installed, Windows Virtual PC provides a simple wizard to set up Windows XP Mode with just a few clicks.
USB support
USB support
Users can access USB devices attached to the host directly from virtual Windows XP. These devices include printers and scanners, flash memory/sticks and external hard disks, digital cameras, and more.
Seamless applications
Seamless applications
Publish and launch applications installed on virtual Windows XP directly from the Windows 7 desktop, as if they were installed on the Windows 7 host itself.
Folder integration between host and guest
Folder integration between host and guest
Access your Windows 7 Known Folders: My Documents, Pictures, Desktop, Music, and Video, from inside the virtual Windows environment, such as Windows XP Mode.
Clipboard sharing
Clipboard sharing
Cut and paste between your Windows 7 host and any virtual machine.
Printer redirection
Printer redirection
Print directly to your attached printer from your seamless application or virtual machine

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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What you need? When you plan to upgrade your Operating System to Windows 7, just make sure you do the necessary steps before starting your installation process.

You Might Also Be Interested In These Topic!



An external hard disk. You'll need to move your files off of your PC before you install Windows 7. To make this easier, we recommend a free download called Windows Easy Transfer, which will require an external hard disk. They’re readily available at electronics and office supply stores, and they provide an easy way to add additional storage space to your computer.
Note: External Hard Disk Is to make sure your data are safe in a separate hard disk. If you feel that you don't have data to be safeguarded. Or if you say that you don't have much data, even a 8GB or a 16GB PEN Drive can be used.
The original installation discs or setup files for the programs that you want to use with Windows 7. You’ll need to reinstall your programs by hand after installing Windows 7. When you run Windows Easy Transfer you will get a report that lists the programs that you are currently using with Windows XP. Overview of the process for upgrading from Windows XP to Windows 7 32-bit or 64-bit: Which version of Windows 7 to install? Both 32-bit and 64-bit installation discs are included in the Windows 7 package.  64-bit operating systems can handle large amounts of memory—typically 4 gigabytes (GB) of random access memory (RAM) or more—more efficiently than 32-bit operating systems.

However, not all computers are 64-bit capable. You'll probably need the 32-bit version, but to make sure click Start, right-click My Computer, and then click Properties.
If you don’t see "x64 Edition" listed, then you’re running the 32-bit version of Windows XP.  Run Windows 7 Upgrade Advisor, which can let you know if your computer is capable of running the 64-bit version of Windows 7. If "x64 Edition" is listed under System, you’re running the 64-bit version of Windows XP and can run the 64-bit version of Windows 7.

You Might Also Be Interested In These Topic!

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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You'll need to move your files off of your PC before you install Windows 7. To make this easier, Microsoft recommend a free download called Windows Easy Transfer, which will require an external hard disk.

They’re readily available at electronics and office supply stores, and they provide an easy way to add additional storage space to your computer.
Windows Easy Transfer is a free download that can help you move your files and settings to another location before you install Windows 7, and then back to your PC after Windows installation is completed.
As you prepare to move your files off of your computer to an external storage device, remember the following:
  • Windows Easy Transfer helps simplify moving your files and settings.
  • Windows Easy Transfer creates a single file containing your files and settings. The file could be quite large depending on the amount of data you have, which is why Microsoft recommend using an external hard disk.
  • As you prepare to move your files off of your computer to an external storage device, remember the following:
Windows Easy Transfer doesn't move your programs, only your files and settings. You'll need to reinstall your programs by hand after Windows 7 installation is complete. Windows Easy Transfer will provide you with a list of programs that you are currently using with Windows XP.

Windows Easy Transfer can't transfer files from a 64-bit version of Windows to a 32-bit version of Windows. This means if you're running a 64-bit version of Windows XP, but you plan to install a 32-bit version of Windows 7, you won't be able to use Windows Easy Transfer to migrate your files and settings.

You’ll also need Windows XP Service Pack 2 or higher. If you're not sure of what you have, click Start, right-click My Computer, and then click Properties. Under System, if you see "Service Pack 2" or "Service Pack 3", you can use Windows Easy Transfer. If you're not running Service Pack 2 or 3, go to the Windows XP service pack (http://go.microsoft.com/fwlink/?LinkId=160880) webpage to update your PC.

Download and install Windows Easy Transfer
  1. Download Windows Easy Transfer (http://go.microsoft.com/fwlink/?LinkId=160881) from the Windows website. If you're running a 32-bit version of Windows XP, under For Windows XP:, click Download 32-bit. If you're running a 64-bit version of Windows XP, click Download 64-bit.
  2. Click Download, and then click Open.
Run Windows Easy Transfer to save your files and settings
  1. Make sure your external hard disk or other storage device is connected to your computer.
  2. Click Start, click All Programs, and then click Windows Easy Transfer for Windows 7.
  3. Click Next.
  4. Select An external hard disk or USB flash drive.
  5. Click This is my old computer, and then wait while Windows Easy Transfer scans the computer.
  6. Clear the check boxes next to any user accounts that you don't want to transfer data from, and then click Next.
  7. Enter and retype a password, and then write it down and keep it in a safe place; or leave the boxes blank, and then click Save.
  8. Browse to the external hard disk or other storage device where you want to save your Easy Transfer file, and then click Save. Warning: You must save the Easy Transfer file to your external hard disk or other storage device, and not to the default location My Computer. If you don't save the Easy Transfer file to your external hard disk, the file you just created will be deleted during the custom installation of Windows 7.
  9. Windows Easy Transfer will begin saving your files and settings. Do not use your computer during this time.
  10. When you see the message These files and settings have been saved for your transfer, click Next. Windows Easy Transfer displays the file name and location of the Easy Transfer file you just created. Write down the file name and location so you can easily find it when you’re ready to transfer files to Windows 7.
  11. Click Next, and then click Close.
  12. Ensure that the file is saved to your external hard disk or storage device, and then disconnect the device from your computer.

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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You can use Device Manager to view the status of your computer hardware on your Windows-based computer. Unknown devices may be listed next to a yellow question mark. This indicates that the hardware is not functioning properly because the system does not know what driver to install for the hardware.

It may be difficult for you to determine the cause of this unknown device because there are few indications of what might be creating it. This step-by-step article describes how to troubleshoot / fix unknown devices in Device Manager.

The following causes are the most common causes of an unknown device:
  • The device does not have the correct device driver installed.
  • The device is using device drivers from a different version of Microsoft Windows.
  • The Device ID is not recognized.
  • The hardware or firmware is damaged.
Device Does Not Have a Device Driver
When a device driver for a device is not available, Device Manager displays the device as unknown, and places it in the Other devices folder. This is very common with Universal Serial Bus (USB) and Institute of Electrical and Electronics Engineering (IEEE) 1394 composite devices. Also, a status of "Error Code 1" or "Error Code 10" may be displayed when you view the properties of the device in Device Manager. 
NOTE: Most USB and IEEE 1394 devices are designed to function properly without additional device drivers, because they are configured and turned on by the drivers that are included with Windows for these bus types. However, an additional device driver is required if the device does not fit in the defined and supplied Windows class drivers. If the bus cannot identify the device, it interprets the device as a composite device, and reports it as such in Device Manager.
Using a Microsoft Windows 98 or Microsoft Windows 95 Device Driver
You cannot use virtual device driver (.vxd) files common to Windows 98 or Windows 95 drivers with Windows Server 2003. If you try to install them on your Windows Server 2003-based computer, the device may be listed as unknown in Device Manager. This typically occurs when the device driver manufacturer does not properly differentiate between the two drivers, or assumes that Windows Server 2003 can use Windows 98 or Windows 95 .vxd files. 

Unrecognized Device ID
Every hardware device has a special identifier that is used by Plug and Play. This identifier can be made up of a number of different types, such as vendor ID, device ID, subsystem ID, subsystem vendor ID, or revision ID. If a device ID is not present, or your Windows Server 2003-based computer does not recognize the device ID, Device Manager may list the device as unknown. 
NOTE: Software programs that require virtual hooks into the hardware may create these devices. For example, Compaq Insight Manager creates virtual devices to communicate with and monitor the hardware. Upgrading a computer that has Compaq Insight Manager installed to Windows Server 2003 may generate an unknown device in Device Manager. This occurs because older versions of the software do not supply the correct definitions for these virtual devices.
Devices that bridge between bus types, such as a device driver that permits a parallel port device to emulate a Small Computer System Interface (SCSI) or ATAPI bus, are also known to generate an unknown device in Device Manager. 

Faulty Hardware or Firmware
Scenarios of how damaged hardware or firmware might cause unknown devices to be listed in Device Manager are: 

Virtual Device Created with Software
Software-only device drivers do not expose a device ID, and there is no standard method for installing these devices. Some manufacturers install the device by using the InstallShield installation program, or a similar method. Note that software that is installed by other methods may not be completely deleted when the device is removed in Device Manager. You may have to check the registry on your computer and verify that all entries have been removed.

Use any of the following methods to determine if an unknown device is being created by software:

  • You can start your computer in Safe Mode to try to determine if the unknown device is being created by software. When you start your computer, press F8, select Safe Mode, and then press ENTER. If the unknown device is no longer listed in Device Manager, the unknown device is probably not hardware. Note that this method is not always accurate.
  • If you suspect a particular software program may be creating the unknown device, check the Startup folder on your computer to see what programs are configured to run at startup. You can also checking the menu bar for an indication of what programs are automatically started. However, remember that some programs that may be configured to run at startup do not appear in the Startup folder.
  • The System Information Tool can be useful in diagnosing the cause of an unknown device. 
To run the System Information Tool:
  1. Click Start, and then click Run.
  2. In Open type, Msinfo32.exe and then press ENTER.
  3. A comprehensive list of every program that is configured to run at startup is displayed. 
Check the Event log for errors that relate to any of these programs to see if there is one that is not working properly. If you find a related event, remove the associated program. Note that the fact that a program is creating an unknown device is not an indication that the program does not work, unless the program depends on the device to start the associated program.
  • You can view each component in your computer, including the drivers that are required to make the components work. To view the components that are installed on your computer, click the Components folder in the System Information console tree, and then click the sub-component to view its properties in the display pane.
  • Check the Problem Devices folder in the System Information console under Components.NOTE: Follow the steps on the previous method to view the Components folder.

The following columns are listed:

  • The Device column lists the common name for the device, or the name of the device driver that is associated with it.
  • The PnP Device ID column lists device IDs such as PCI ID, ISA ID, an ID for some other bus type, or an unknown type.
  • The Error Code column lists the error code that is associated with this specific problem. In many situations, the Device Manager error code helps you to determine what created the unknown device. For example, if your computer generates a "Bad or missing device driver" error message, three types of entries may be listed in the Problem Devices folder, depending on the device type:
+ PCI PnP Device ID:

Device Name | PCI\VEN_00000&DEV_0000&SUBSYS_00000000&REV_00\0&0000 | Error code

+ ISA PnP ID:

Device Name | ?\PNP0000\0
+ Bad or Incompatible Device Driver:

Device Name | ROOT\UNKNOWN\0000

  • Information that is listed in the Setupapi.log file may help you to identify what may have created the unknown device. This is true if the device has a meaningful name. Sometimes the listed device name is misleading. For example, a device may be listed as a serial device in Device Manager, when in reality it is not related to a serial port. This typically occurs when a partial Plug and Play ID is available, and Device Manager interprets it as a serial device. This interpretation can be caused by a compatible ID that is specified by the device. You can correct this by locating the startup program that may not be behaving properly.

Note that removing the unknown device in Device Manager works if a software program is creating the unknown device. You must remove the program that creates it, and then restart your computer. Also, if the unknown device is still listed after you restart your computer in Safe Mode, contact Microsoft Product Support Services for help with removing the device.

Hardware Devices
Isolating hardware devices is less complex than virtual devices, and you can use either of the following methods:
  • Remove hardware devices from your computer one at a time until the unknown device is no longer listed in Device Manager. Note that this method may be slow, and is not always reliable.
  • Verify that the device driver is digitally signed. If during the device driver installation, Windows 2000 detects that a device driver is not digitally signed, the following error message is generated:
Not Digitally Signed
Note that a device driver that has been digitally signed might still be listed as an unknown device in Device Manager. Also note that you may not see this error message if it has been turned off.

You can block the installation of unsigned device drivers. This may be useful with mission-critical servers to prevent deliberate attempts to destabilize the server. To prevent the installation of unsigned device drivers:

  1. Click Start, click Control Panel, and then click System.
  2. On the Hardware tab, click Driver Signing, and then click to select the Block - Never install unsigned driver software check box.
  3. Click OK, and then click OK.
To view a list of loaded devices that are not digitally signed, use either of the following methods:
  • View the Setupapi.log file for entries like the following entries:
The file (D:\WINDOWS\inf\ntapm.inf) is not digitally signed, ignoring driver date.
Installing section epatapi_inst from d:\documents and settings\user name\my documents\parallel port test drivers\epatapnt.inf An unsigned or incorrectly signed driver (d:\documents and settings\user name\my documents\parallel port test drivers\epatapnt.inf) was installed for Parallel ATAPI Adapter... Error 0xe000022f: The third-party INF does not contain digital signature information. Copying file d:\documents and settings\user name\my documents\parallel port test drivers\epatapnt.mpd to D:\WINDOWS\System32\DRIVERS\epatapnt.mpd. An unsigned or incorrectly signed driver (d:\documents and settings\user name\my documents\parallel port test drivers\epatapnt.mpd) was installed for Parallel ATAPI Adapter... Error 0xe000022f: The third-party INF does not contain digital signature information.
  • Use the Sigverif.exe tool to create a log file that lists all the unsigned drivers that are installed on your computer. The Sigverif.txt log file that is created by the Sigverif.exe tool is located in the %SystemRoot% folder. You can view this file by using a text editor such as Notepad. To run the Sigverif.exe tool:
  1. Click Start, click Run, type sigverif, and then click OK.
  2. Click Advanced, and then click Look for other files that are not digitally signed under the Search tab.
  3. Click to select the Include subfolders check box, and then click Browse.
  4. Locate and then click the %SystemRoot%\System32\Drivers folder, click OK, and then click Start.
  • You may experience a delay while your computer compiles a comprehensive list of unsigned drivers. Check the list of unsigned drivers, and then see if the driver manufacturer has an updated driver that is digitally signed.
USB devices that are based on earlier versions of the USB specification may create ghost devices that appear when the device is connected, and then disappear when the device is disconnected. Also, the device may work correctly, but may create a disassociated unknown device. This situation is typically caused by either outdated or mis-configured firmware. In this case, contact the device manufacturer for updated firmware.

Ghosted devices may also appear if the user manually installs a driver for a Plug and Play device that the computer has already detected and installed. Plug and Play devices are not typically listed when you manually install devices by using the Hardware Wizard. Because users do not see their device listed, they may assume that it is not supported, and then force an installation by using another device driver, causing the ghosted device to appear. Deleting the ghosted device frequently solves this issue.

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.  

APPLIES TO 
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Small Business Server 2003 Premium Edition
  • Microsoft Windows Small Business Server 2003 Standard Edition

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com


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No matter how fast or shiny computers might be when they are new, they all seem to get slower over time. That state-of-the-art PC you bought last year might not feel like such a screamer after you install a dozen programs, load it with antispyware and antivirus tools, and download untold amounts of junk from the Internet. The slowdown might happen so gradually you hardly notice it, until one day you’re trying to open a program or file and wonder, "What happened to my poor PC?"
Whatever the cause, there are a lot of ways to help speed up Windows and make your PC work better—even without upgrading your hardware. Here are some tips to help you optimize Windows Vista for faster performance.

Delete programs you never use

Many PC manufacturers pack their new computers with programs you didn’t order and might not want. These often include trial editions and limited edition versions of programs that software companies hope you will try, find useful, and then pay to upgrade to full versions or newer versions. If you decide you don’t want them, keeping the software on your computer might slow it down by using precious memory, disk space, and processing power.

It’s a good idea to uninstall all the programs you don’t plan to use. This should include both manufacturer-installed software and software you installed yourself but don’t want anymore—especially utility programs designed to help manage and tune your computer’s hardware and software.
Utility programs such as virus scanners, disk cleaners, and backup tools often run automatically at startup, quietly chugging along in the background where you can’t see them. Many people have no idea they are even running.

Even if your PC is older, it might contain manufacturer-installed programs that you never noticed or have since forgotten about. It’s never too late to remove these and get rid of the clutter and wasted system resources. Maybe you thought you might use the software someday, but never did. Uninstall it and see if your PC runs faster.

Limit how many programs load at startup

Many programs are designed to load automatically when Windows starts. Software manufacturers often set their programs to open in the background, where you can’t see them running, so they’ll open right away when you click their icons. That's helpful for programs you use a lot, but for programs you rarely or never use, this wastes precious memory and slows down the time it takes Windows to finish loading.

Decide for yourself if you want a program to load at startup. But how can you tell what programs load automatically at startup? Sometimes this is obvious, because the program will add an icon to the notification area on the taskbar, where you can see it running. Look there and see if there are any programs running that you don’t want to load automatically. Position your mouse over each icon to see the program name. Be sure to click the Show hidden icons button so you don’t miss any icons.

The Show hidden icons button in the notification area. Even after you check the notification area, you might still have missed some programs that load automatically at startup. You can find and disable them using Windows Defender.
Picture of the Software Explorer screen in Windows DefenderThe Software Explorer screen in Windows Defender shows which programs automatically start when you launch Windows

If you’re unsure about whether a program should open automatically at startup, you can try disabling it, restarting your computer, and then using the program. If that causes any problems with the program, you can go back and re-enable it to start automatically.

For instructions how to use Windows Defender to check for programs that open automatically, see Stop a program from running automatically when Windows starts.
Some people prefer to manage which programs load at startup using the System Configuration tool. For more information, see Start System Configuration.

Defragment your hard drive

Fragmentation makes your hard disk do extra work that can slow down your computer. Disk Defragmenter rearranges fragmented data so your hard disk can work more efficiently. Disk Defragmenter runs on a schedule, but you can also defragment your hard disk manually.

Clean up your hard disk

If you want to reduce the number of unnecessary files on your hard disk to free up disk space and help your computer run faster, use Disk Cleanup. It removes temporary files, empties the Recycle Bin, and removes a variety of system files and other items that you no longer need. For step-by-step instructions on how to do this, see Delete files using Disk Cleanup.


Run fewer programs at the same time

Sometimes changing your computing behavior can have a big impact on your PC's performance. If you’re the type of computer user who likes to keep eight programs and a dozen browser windows open at once—all while instant messaging your friends—don’t be surprised if your PC bogs down. Keeping a lot of e‑mail messages open can also use up memory.

If you find your PC slowing down, ask yourself if you really need to keep all your programs and windows open at once. Find a better way to remind yourself to reply to e‑mail messages than to keep all of them open.

Turn off visual effects

If Windows is running slowly, you can speed it up by disabling some of its visual effects. It comes down to appearance versus performance. Would you rather have Windows run faster or look prettier? If your PC is fast enough, you don’t have to make this tradeoff, but if your computer is just barely powerful enough for Windows Vista, it can be useful to scale back on the visual bells and whistles.

You can choose which visual effects to turn off, one by one, or you can let Windows choose a bunch for you. There are 20 visual effects you can control, such as the transparent glass look, the way menus open or close, and whether shadows are displayed.
The Performance Options dialog box lets you turn on or off up to 20 visual effects

To adjust all visual effects for best performance:

  1. Open Performance Information and Tools by clicking the Start button Picture of the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking Performance Information and Tools.
  2. Click Adjust visual effects. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  3. Click the Visual Effects tab, click Adjust for best performance, and then click OK. (For a less drastic option, select Let Windows choose what’s best for my computer.)


Try restarting if there's a problem

This tip is simple. If your computer seems to be running slowly and closing all the currently running programs doesn't help, trying restarting your computer. Restarting can fix performance problems where the exact cause is hard to pinpoint.

Add more memory

This isn’t a guide to buying hardware that will speed up your computer. But no discussion of how make Windows run faster would be complete without mentioning that you should consider adding more memory to your PC.

If a computer running Windows Vista feels too slow, it’s usually because the PC doesn’t have enough memory. The most sure–fire way to speed it up is to add more.

Windows Vista can run on a PC with 512 megabytes (MB) of random access memory (RAM), but it runs better with 1 gigabyte (GB). For optimal performance, boost that to 2 GB or more.

If you're going to the trouble of opening up your PC case to add more memory, you might as well boost the total to at least 2 GB. Especially if you're the sort of person who keeps a dozen e‑mail messages, ten browser windows, and six other programs open at once—all while instant messaging.

Another option is to boost the amount of memory by using Windows ReadyBoost. This feature allows you to use the storage space on some removable media devices, such as USB flash drives, to speed up your computer. It’s easier to plug a flash drive into a USB port than to open your PC case and plug memory modules into its motherboard. For more information, see Using memory in your storage device to speed up your computer.


Check for viruses and spyware

If your PC is running slowly, one dreaded possibility is that it might be infected with a virus or spyware. This is not as common as the other problems, but it is something to consider. Before you worry too much, check your PC using antispyware and antivirus programs.

A common symptom of a virus is a much slower-than-normal computer performance. Other signs include unexpected messages that pop up on your PC, programs that start automatically, or the sound of your hard disk constantly working.

Spyware is a type of program that is installed, usually without your knowledge, to watch your activity on the Internet. You can check for spyware with Windows Defender or other anti-spyware programs. For more information, see How to tell if your computer is infected with spyware.

The best way to deal with viruses is to prevent them in the first place. Always run antivirus software and keep it up to date. Even if you take such precautions, however, it’s possible for your PC to become infected.


Check your computer’s speed


If you try these tips and your computer is still too slow, you might need a new PC or some hardware upgrades, such as a new hard disk, faster video card, or more memory. There’s no need to guess the speed of your computer, however. Windows provides a way to check and rate your PC’s speed with a tool called the Windows Experience Index.

The Windows Experience Index rates your computer on five key components and gives you a number for each, as well as an overall base score. This base score is only as good as your worst-performing component sub-score.

Base scores currently range from 1 to 5.9. (There is no score yet of 6.0 or higher, although Microsoft plans to raise the ratings in the future as hardware improves.) If your PC is rated lower than 2 or 3, it might be time to consider a new PC, depending on what tasks you want to do with your computer.

Disable services you don’t need

This is the most technically advanced of all these tips. If you don’t want to mess with anything too advanced or complicated, you can skip this one.

Windows has more than 100 services running quietly in the background with names such as Network Access Protection Agent and Shell Hardware Detection. These typically launch when your computer is started and they run until your computer is shut down. Some secure Microsoft services cannot be disabled, but most others can be. Many software companies also install their own services, some of which you can disable to conserve memory and processor power.

You should not turn off a service unless you understand what it does and are confident you don’t need it. Explaining what the many services in Windows do is beyond the scope of this article, but there is plenty of information about this on various websites.

For an overview from Microsoft, download the Microsoft Word document on the Services in Windows Vista website.

Check for updates from the manufacturer

Have you visited the support website of your computer manufacturer to see if the company has released any updates for your specific model? Computer makers often issue software updates for programs they shipped with a PC, especially if the PC is relatively new.

You might be surprised how much information you can find by checking with the manufacturer. If other users are reporting the same problem you are having, the manufacturer might have already issued a fix, or at least provided information about the problem.

Haja is currently working in a multi-disciplinary role that combines programming including, SAP Administration, Network Management, and System Administration. He is passionate about Technology and this blog is his platform for sharing his ideas. If you like this post, Please leave a comment. And if you have any queries, mail to help @ bench3 . com