Cod Mw3 45 Fps Fix Jun 2026

Fix: Call of Duty: Modern Warfare III — 45 FPS cap issue Summary This guide fixes an unintended 45 FPS cap in Call of Duty: Modern Warfare III (MW3) on PC by changing a configuration file and ensuring V-Sync and frame-rate limiting settings are disabled where needed. Warning Editing game files can affect stability or trigger anti-cheat flags if done improperly. Back up files before changing them. Steps

Close MW3 and the Steam/other launcher completely.

Locate the config file:

Path (default Steam/Windows install): %USERPROFILE%\Documents\Call of Duty Modern Warfare III\players\config_mp.cfg cod mw3 45 fps fix

Back up the file:

Copy config_mp.cfg to config_mp.cfg.bak

Edit config_mp.cfg:

Open config_mp.cfg in Notepad (or other plain-text editor).

Find and change (or add) these lines: seta sys_maxfps "0" seta r_swapInterval "0" seta com_maxFPS "0" seta g_framerateLimit "0"

If any line already exists with a numeric value like "45", replace it with "0". Fix: Call of Duty: Modern Warfare III —

Disable frame limiting & V-Sync in game and drivers:

In MW3 Settings > Graphics: set V-Sync = Off, Frame Rate Limit = Uncapped (or set to desired >60). In NVIDIA Control Panel / AMD Radeon Settings: set “Vertical sync” to Use application setting; set any “Frame Rate Limiter” to Off.