Only OFP works fine, but in the GOTY edition the game makes trouble. But it doesn't cares me any longer. I brought back the Atlantis and reinstalled my GF2TI, and I have no longer problems.
Thread finished
PS: If anybody has anytime such a problem solved, I'll think about to buy a new Atlantis, because this Card is passive cooled, and doesn't noises as much as my old GF2