DjLevel9

1 you need to activate windows vista first.

if you don't activate windows Software and programs will fail .

if you have the Origonal Vista DVD try doing a system Recovery a Previous date the day before you Put windows SP1 on you're computer if you made systems Recovery date before you put Sp1 on you're computer this will restore it to that time before you Put Sp1 On you're computer if you didn't make a restore point before Sp1 on you're computer most likely Sp1 won't come off if you tryed everything else.