Every once in a while, for no particular reason, Firefox decides to be bitchy and deletes all of my bookmarks and sets the home page back to Firefox Start. Fortunately, 95% of my bookmarks can be re-imported from IE, but it's the other 5% that really pisses me off. What, if anything, can be done?
"He is the most overrated piece of crap in the league. He bitched and whined after he got his ass beaten in New England last year, so the NFL changed the rules. Then he got his ass beaten in New England again. Every year he's the top MVP candidate. Every year he's supposed to be the best. Every year he's going to carry the Colts to the Super Bowl. And every single year he goes to New England and gets his ass beaten. And his brother's a whiny little bitch." -A friend of mine, on Peyton Manning
Bring it down to a minimum number of components to boot it. I'd try taking everything off of the system except for 1 stick of RAM, CPU, Video Card, and CD-ROM. See if you can boot it off of a bootable CD-ROM.