I'm running Windows 7 Build 7000 as host and Virtual PC 2007 SP1 with
Windows Server 2008 SP1 as guest. After running the guest for a while, the
Tab and Esc keys stop working, and sometimes also mouse clicking. The only
way to resolve the problem is to shutdown the guest and restart the Virtual
I've tried the trick described below using a software policy for
vpckeyboard.dll, but it does not seem to work.