If you are still stuck at 45 FPS after all six phases, your Windows installation likely has corrupted DirectX 12 drivers. Run a in Command Prompt as Administrator, followed by a clean install of your GPU drivers using Display Driver Uninstaller (DDU) in Safe Mode.
By working through Phase 1 (V-Sync toggle), Phase 2 (Worker thread fix), and Phase 4 (Kill RGB), you will break the 45 FPS lock 99% of the time. cod mw3 45 fps fix
Modifying game files can be flagged by anti-cheat if done incorrectly. Do not modify memory. We are only editing a text file. If you are still stuck at 45 FPS
There are few things more frustrating in competitive gaming than loading into a match of Modern Warfare 3 , only to find your high-refresh-rate monitor feels like a PowerPoint presentation. You check your FPS counter. It doesn’t say 15. It doesn’t say 30. It says a steady, stubborn, unshakable 45 FPS . Modifying game files can be flagged by anti-cheat
If you are experiencing a hard lock at 45 frames per second (or sometimes 30/40 FPS), you are not alone. This specific issue has plagued the Call of Duty engine since the Warzone 1.0 days. Unlike general FPS drops (which fluctuate), a indicates a specific software conflict, a rendering bottleneck, or a deliberate (but bugged) game setting.
Now get back on the map, and enjoy your buttery-smooth 144+ FPS.