Clint wrote:
> A couple of weeks ago I upgraded my PC to Windows Vista Ultimate. Previously
> it was running on an OEM version of Windows XP Professional which came with
> my system.
>
> I have just tried to install Windows XP under Virtual PC 2007, however it
> will not accept the product key, which was always valid whenever I had to
> reinstall XP on my PC.
>
> Can anyone help?

From the Web page, it looks like Virtual PC can emulate Windows XP by
itself, without you having to install anything. Isn't that how it is
supposed to work?