Windows 7 "Windows XP mode"

Install this update to remove the prerequisites required to run Windows Virtual PC and XP mode

Update for Windows 7 for x64-based Systems (KB977206)

You install Windows Virtual PC and Windows XP Mode on a computer that is running Windows 7. When you try to start or configure Windows XP Mode in Windows Virtual PC, you receive one of the following error messages.
Note You may also receive one of the following error messages when you try to start or configure any other virtual machine in Windows Virtual PC.

• Unable to start Windows Virtual PC because hardware-assisted virtualization is disabled

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Overview

Install this update to remove the prerequisites required to run Windows Virtual PC and XP mode. The prerequisites include a processor which supports hardware assisted virtualization (HAV) which is also enabled in the BIOS. After you install this item, you may have to restart your computer.

Windows6.1-KB977206-x64.msu

All supported x86-based versions of Windows 7

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Download the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyID=837f12aa-1d37-464e-ae59-20c9ecbebaf6)

All supported x64-based versions of Windows 7

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Download the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyID=e70dd043-e262-43c0-a002-446567f1e2b4)