Off topic? need help with computer instability

[jasonfinal]

1.) I've formatted the hard drive close to a hundred times.
2.) Each OS installation is a full installation (not an upgrade).
3.) CPu temperature is usually kept to under 50 degrees celcius, depending on which HSF I use, so system temperature is never over 50.

4.)As for the error screen in windows XP.... I'm not running it right now, but I'll let you know soon.