Restarting Computer

[beaver00737]

Hey all, I've just joined here with a really annoying problem...

Basically, when I use my main computer (Window's XP Home) it'll sometimes restart itself completely on its own. I haven't got a clue why its doing it, I could be playing a game on the internet, talking on msn or doing some work (as I just was).

I've run scans on my computer for everything the scan allows (rootkits included and stuff) but nothing out of the ordinary has emerged and I'm at a loss as to how I can sort this problem out.

Can anyone offer any ideas?

 

[Calibretto]

It could be a hardware issue and it could be a number of things causing the problem...maybe the PSU is becoming faulty, could be the mobo as well.

 

[cohen]

OK, well lets start with the first thing that i can think off, heat, get the Latest PC Wizard or Everest and find out the temperatures and post them, do what your normally do and monitor them, if they get high, you should be worried!