This is the single most effective fix for the "Rendering Thread Exception." Modern gaming monitors often run at 144Hz, 165Hz, or higher. Arkham City , being an older console port, was designed for 30fps or 60fps logic. When the game engine renders frames too fast, physics objects glitch, and the rendering thread overloads.
If you use an AMD card, you still need this software installed, as the game’s engine uses CPU-based PhysX for cloth simulations. Modify the BmEngine.ini File batman arkham city rendering thread exception fix
Sometimes