Cannot start Windows Virtual PC host Process RRS feed

  • Question

  • I have an Intel Quad core (6600)processor which supports virtualization as does my bios (latest). I can install Microsoft Virtual PC (KB958559), but when I attempt to start Virtual PC or install and run Virtual XP I get this error with the warning "An older version of Microsoft Virtual PC is installed on this computer. Please uninstall the older version and try again"

    Any help would be appreciated
    Tuesday, July 7, 2009 5:46 AM


  • Sorry,

    On scanning installed applications I realized I had installed Virtual PC 2007 under Vista months before I upgraded to Win7 RC-1.
    Removed VPC 2007 and now all is well. Surprised KB958559 didn't catch that.

    • Marked as answer by Vinod Atal Wednesday, July 8, 2009 7:01 AM
    Tuesday, July 7, 2009 6:28 AM