WFO, on Dec 15 2007, 07:31 PM, said:
Vista is crazy like that. I didn't even change hardware or update drivers and Vista decided my hardware had changed and I needed to reactivate. I had to call MS. No ill effects from RC1 though.
They Can't help you, because when you participated in Beta (release candidate version or what ever you chosen), MS takes no Responsibility, and I bet, you shall receive almost Zero support from them