Right-click and BMLauncher.exe , then select Properties .
in the game's Steam properties, launching the game, and then reenabling it if it works. Disable DirectX 11 : If the game launches but crashes shortly after, open the BMLauncher.exe settings and turn off DirectX 11 Right-click and BMLauncher
"Fatal Error! QA_APPROVED_BUILD_JANUARY_2011" is a notorious crash for Batman: Arkham City Right-click and BMLauncher.exe