Nothing bothers me more than when a computer begins performing random reboots. In my case on this episode, I was betting the dreaded blue screen of death. For the life of me I could not figure out how to check the minidump file in windows for the details.

This guy explains it all very nicely and easy to follow. Check it out:

http://www.ifoundafix.com/2008/02/05/reading-and-troubleshooting-the-windows-minidump-dmp-file/