well im not using maphack and i think it might be my ram because i reinstalled everything and it still happen and it got me mad because i lost all my maps!! so it might be blizzard but i dunno or it might be my ram like sqrl said, and oh yah it usually happens i THINK NOT SURE but when im in like a game a long time, it crashes, and im not sure if it is true but it happen to me like that twice