If you"re a GeForce 6800 owner, and you play Prince of Persia: the Sands of Time then you need this patch.
There is a tiny new patch for Prince of Persia: the Sands of Time, addressing graphics problems in running Ubi Soft"s acrobatic third-person action adventure on NVIDIA GeForce 6800 video cards. The fix consists of a new game executable that should replace the original file (after backing that up, of course).