Yeah, on my old laptop when I installed SP2 it crashed for me as well.
I also reinstalled windows on my last laptop.. I uh, got some nasty viruses from some uh, questionable sites on the net and ended up having to wipe the computer.
I took the install for win XP I had bought for my old desktop and installed it onto my laptop cause Toshiba doesnt supply you with Win reinstall discs (wtf?). I looked at the winXP decal on the laptop and put that in. Nothing. Tried it again, invalid numbers, what? So I called my buddies at microsuck.
Russ: Hi I had to wipe out my hardrive and reinstall WinXP on my hardrive. It wont accept the numbers. It tells me to call you for an access number, why do I need that? Its a registered computer.
Lady: Why did you wipe out your hardrive and reinstall windows?
Russ: Uh, not like its your business but I downloaded some stuff from some questionable sites.
Lady: You were downloading illegally sir?
Russ: No. Can I get the number please?
Lady: Well, ok then. But are you sure you arent installing an illegal copy onto another computer using the numbers from your other computer.
Russ: Yes.
~crickets~
Lady: Well, if you are sure then...
Me: Give me the number for MY laptop wiht a REGISTERED number. Thanks
Lady: ok sir... <number>.