Browse to your BatmanAC.exe file inside the Steam folder directory.
Once you get the game running, do the following to ensure you never see the fatal error again: Batman Arkham City Fatal Error Qa Approved Build January
With the PhysX downgrade or XLiveLess patch, you can achieve 100% stability. Do not let a fatal error keep you from the greatest Batman simulator ever made. Browse to your BatmanAC
To ensure a smooth gaming experience, follow these additional tips: Batman Arkham City Fatal Error Qa Approved Build January
To fix the fatal error in Batman Arkham City's QA Approved Build from January, try the following solutions:
Repeat these exact steps for in the same folder. 3. Disable Exploit Protection in Windows