any idea why that is? i'm sorry to keep bothering you guys.. but this is really bothering me.. i have a 633 celeron, voodoo3 2000 agp, and a tyan 400motherboard.. i can't check the temperature of the cpu, i formated twice.. and still same problem.. the thing i dont' understand is ... how does it run quake 3 for an hour without a problme, and freezes when i run Aim and surf the web?