PC kept re-booting over and over again. Tested the power supply, and it was bad, so I replaced it. Same thing again continious re-booting. Reformatted HD, tried to re-load Win XP getting error messages that certain Windows files either didn’t install correctly or not at all. I am thinking there is a bad virus on here. OK, installed new HD, tried clean install of XP same thing again files didn’t install or not installed right. I am out of ideas, any help is greatly appreciated. Thanks in advance