Windows Virtual PC – no hardware virtualization update now available for download

Windows Virtual PC – no hardware virtualization update now available for download

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The update to Windows Virtual PC to support running on systems without hardware virtualization is now available for download.  You can grab it here:

You can also read the full KB article here: http://support.microsoft.com/kb/977206

One thing to note: While Microsoft supports the use of Windows XP, Windows Vista and Windows 7 on Windows Virtual PC – when running on systems without hardware virtualization support we only support the use of Windows XP.

So what does this mean?  Well, if you have used Virtual PC before you know that it is capable of running many operating systems that are not officially supported – and this is still true for Windows Virtual PC (both with and without hardware virtualization support).  But we will not be releasing updated integration components for Windows 7 / Windows Vista to enable optimum performance when running without hardware virtualization.

The key take away here is: If you need to run Windows XP mode on systems without hardware virtualization, you now can.  If you want to run other operating systems – you need hardware virtualization support for best performance (and official support from Microsoft).

Cheers,
Ben

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  • Is it possible to force Virtual PC to not use HAV?

    I use VPC only for testing things under XPMode; I use Virtualbox (Linux guest) a lot more, so i'd like VPC not to monopolise on it while it could be much more useful for Virtualbox.

  • I am running Windows 7 Professional x64 with Virtual PC installed. Tried to install the 64-bit update, but I am getting the "The update is not applicable to your computer" error message.

    Actually, I have a Q9300 processor, which supports VT-x, and it is turned on in the BIOS, but HAV detection tool says it is not turned on in the BIOS. I guess the problem might be with the motherboard (Abit IX38-QuadGT).

    I was hoping this update might get Virtual PC started, but it won't install.

  • Hi Ben,

    I'm getting a DRIVER_IRQL_NOT_LESS_OR_EQUAL when I try to run VirtualPC on a PC without hardware VT:

    BCCode: d1

    BCP1: 00000000

    BCP2: 00000002

    BCP3: 00000000

    BCP4: 00000000

    0xD1_CODE_AV_NULL_IP_vpcvmm!VmmExecuteVp

    Why?

  • I am suddenly seeing a window with this message:  "Click-2-Virtualization Handler" with a number, 30023 (I think).  Does anyone have an idea what this is all about?  Sometimes there are multiple such windows in the morning.

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