Re: Random Re-booting desktop HP--HELP!
Yeah, sounds pretty much exactly like overheating. Your cpu's heatsink has probably come lose and has limited or no contact.
"There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization. If there are such things as angels, I hope that they are organized along the lines of the Maffia." - Winston Niles Rumfoord.