dang..likely an overheating problem, could be the fans gave out, or more likely the power supply..the most important part was if you backed up the data..in 17 years of working on PC's..I've only seen 2 that 'caught fire' (actually bad sound effects, and a small cloud of smoke)
Not sure if it would help you any, but I've been downloading your free stuff for years (usually with the accompanying pics, but not always..one of life's mysteries..;), so if you need any uploads, I can search my CD's..and make sure you get a UPS to cover you..

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)