Yesterday while I was just on the computer the screen turned blue for half a second and the computer restarted. As it restartedI expected it to go to desktop and show me a report of what happened but instead it restarted as it was starting up. A message was shown for about 5seconds that said something about autochk not found and trying open it up or something. Then it restarted.
I tried to boot using safe mode but that made no diffrence. The system recovery had no effect either. I tried everything in the books that I have but they don't work.

Please help me in anyway. I don't want to revert to reinstalling XP as I don't have the original disks.
If it comes down to removing XP and starting from begining, is there a way to transfer all information from my current HDD to another one without anyting lost?
Thanks
a1

EDIT: Here is the original error meassege. I have done some searching and found a possible fix but I want to hear from SimV before doing anything.
Autochk not found -Skipping autochk.exe