If you have successfully downloaded Windows 8 (You can Download Windows 8 Consumer Preview from official website given here) and when you are installing Windows 8 as Virtual machine on VMware Workstation or on Microsoft Virtual PC you may get the following Error, 0xc0000260
Here, let us see how to sove, error 0xc0000260 in Windows 8.
Warning! If you don't know how to install Windows on your own. you probably should not try installing beta on the primary system. This is not even a release candidate. This "beta" is not like a Gmail Beta or simple 20mb "beta" software. This is seriously "beta" and won't be stable for distribution for another several months when the RC's are made available. And even there, the most cynical tend to wait until a few months after official launch (RTM, release to manufacturing) of either these bits or the first service pack (SP1)
Windows 8 has many positive response since its consumer preview launched. However, for some of us on installing Windows 8 Consumer Preview, ended up with error 0xc0000260.
If you come across with this error 0xc0000260 code in Windows 8 Consumer Preview, nothing to worry.
In such scenario, we would suggest you that in the VMware settings under System Tools Enable or Check box at CPU PAE / NX and make sure it is marked on the Processor tab. If not, you can try to Check the box. It is also necessary that you have to adjust the CPU (64 bit mandatory) on the host, the VT-X support.
Make sure in Vbox you will find PAE / NX system and choose processor. Also, you have to go to Display from your Vbox and needs to check or tick 2D and 3D option in Video tab without fail.
Once everything is followed as suggested above, you may then press OK and run your windows 8 again, and it will work without any error.