Four months now, and Microsoft recently made changes to the activation code such that if it can detect you're not running in VirtualPC (on Windows, natch), then

Four months now, and Microsoft recently made changes to the activation code such that if it can detect you're not running in VirtualPC (on Windows, natch), then it disables itself. I've tried multiple avenues of converting the latest timebomb (came out a couple of weeks ago) to both VirtualBox and VMware and have been completely unsuccessful.