You hit a bug, that's all. About a year ago there was a bug that caused a
few folks to have to reactivate for simply upgrading a driver. No hardware
involved at all but the software mistook a driver change for a hardware
change. That apparently got sorted.

"Charlie Tame" <charlie@tames.net> wrote in message
news:O89L5lC1IHA.2064@TK2MSFTNGP05.phx.gbl...[color=blue]
> Carey Frisch [MVP] wrote:[color=green]
>> What does a computer case have to do with
>> product activation....absolutely nothing!
>> It's external to the internal hardware and has
>> no hardware identification number that
>> the operating system can identify!
>>
>> Windows Vista Activation FAQ
>> [url]http://www.microsoft.com/windows/products/windowsvista/buyorupgrade/activationfaq.mspx[/url]
>>[/color]
>
>
> My point is that if merely turning a computer off can trigger the issue
> then "Won't Happen" is not necessarily true. "Should not happen" maybe, of
> course it should not.
>
> The OP may unintentionally make a change that "Could" trigger it. I use
> removable drive trays and placing a drive in the wrong tray can set it
> off.
>
> I am not complaining, merely saying that it can happen and therefore comes
> as a surprize when really nothing has changed.[/color]