Before I ever used ATITOOL, my PC never Freezed during gaming sessions. I've used ATITOOL, both 0.26 & 0.27, and now my games freezes. Using Atitool, and the artifact finder, my GPU can get up to 80c before seeing artifacts. It will not get higher than 81c because if freeze before. But as soon as I see articafact, the whole screen start to get corruptions, then it Freeze and the screen shut off. The card cut the power as a safety measuse. This never happened before, and now in games such as Dark Messiah, after a little while the screen freeze whit distortions and weird colours. Using GPU cap viewer, and doing a burnout of the card, i will never reach higher than 83c. I seriously don't know what to do. I've tested my CPU whit Prime95 and no prob. So it's only GPU related, but what!