Permission issues can block the game's executable from accessing required system resources.
The "January Verified" build is most stable under DX9. The graphics are 95% the same, and the fatal error vanishes. Permission issues can block the game's executable from
The original DirectX 11 implementation in Arkham City is notoriously unstable on modern Windows versions. Launch the . The original DirectX 11 implementation in Arkham City
Since the error is a fatal exit , Windows DEP is likely the executioner. If you see Fault Module: nvphysx.dll
Steam\steamapps\common\Batman Arkham City GOTY\Binaries\Win32 Right-click BatmanAC.exe BmLauncher.exe Properties Compatibility tab and check Run this program as an administrator Secondary Troubleshooting Verify Game Files : In Steam, right-click the game > Properties Local Files Verify integrity of game files Disable DirectX 11
Look for a report named AppCrash_BatmanAC.exe . Open the Report.wer file. If you see Exception code: 0xc0000005 , that is a memory access violation (Fix 1 or 3). If you see Fault Module: nvphysx.dll , that is the PhysX conflict (Fix 2).