This is not a pirate question. I installed a new mobo in a dell comp and xp went to the blue screen of death. I reinstalled xp and thought when I go to activate xp , it would deny because it had been registered already.I typed in the key off of the dell case and it activated without any problems at all. Can someone explain the rules about activation to me ? I have two rigs running xp and both have crashed. but I only had to reactivate one of them. One crash was from a virus and the other was lightning.