Nobody likes it when a game freezes up or outright crashes (not even gaming masochists), so kudos to NVIDIA for pushing out a GeForce hotfix driver to address that very thing in a handful of popular titles. The hotfix also promises better overall stability in some specific games, and addresses a performance issue some people have observed

Source: Hot Hardware – NVIDIA’s GeForce Hotfix Driver Gets These Popular Games To Stop Freezing And Crashing