Call Of Duty Exe Err Mss Init Failed 150 [new]

The “MSS” in the error stands for “Microsoft Synthesizer” or “Multi-Stream Sound.” In the context of Call of Duty (specifically Warzone , Modern Warfare , Vanguard , or Black Ops Cold War ), this error means the game executable ( cod.exe ) has failed to initialize the audio system.

If you are seeing the pop-up, your game is crashing before it even reaches the main menu. You might also see variations like Error 150: MSS Initialization Failed or Sound Initialization Error 150 . Call of duty exe err mss init failed 150

If you found this guide useful, share it with a squadmate who keeps crashing on the loading screen. Happy hunting. The “MSS” in the error stands for “Microsoft