NOTE: More information about this issue is available in Microsoft KB Article ID 977206.
- Unable to start Windows Virtual PC because hardware-assisted virtualization is disabled
- Cannot start Windows Virtual PC Host Process. Check the System event Log for more details
- Windows Virtual PC cannot start because this computer does not support hardware-assisted virtualization
To resolve the errors, first determine if the CPU in your computer supports Intel VT and then use one of the resolutions below:
IMPORTANT: If your computer supports Intel VT, but the setting in the BIOS is not showing, a BIOS update may be available to display this setting. Updates are available online through the downloads section of the support website.
- If the CPU supports Intel VT, enable it in the BIOS.
- If the CPU does not support Intel VT or a BIOS update is not available that allows you to turn on Intel VT, download and install one of the following Microsoft updates to remove the Intel VT prerequisite:
- For the Windows 7 64-bit operating system use the Update for Windows 7 for x64-based Systems (KB977206).
- For the Windows 7 32-bit operating system use the Update for Windows 7 (KB977206).