That fix worked and allowed DiRT 2 to launch but all of my saved games were lost! I've been playing DiRT on and off for 6 years and if I lost all that progress I was going to cry. I searched around this forum and found a suggestion for getting rid of Games For Windows Live using a hack that worked on the game Bulletstorm. Ever since I upgraded to Windows 10, DiRT 2 was never working on Steam, it would never launch, always crashing on startup.