Call Of Duty Exe Err Mss Init Failed 150 ((install)) Jun 2026

Look for the folder structure containing localized user settings (often Players or containing files like default.cfg / default_mp.cfg ).

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

: The primary file required for the sound system is either missing from the game folder or corrupted. Look for the folder structure containing localized user

Click and launch the game directly from that executable. : The primary file required for the sound

This error is notoriously frustrating because it often prevents the game from launching entirely. While the code looks cryptic, it usually points to a specific issue regarding audio drivers or corrupted game files. The "MSS" in the error code stands for , a third-party audio software used by many games to handle sound processing.

If you bought Call of Duty through a digital storefront like Steam, your launcher can automatically scanning and replacing broken sound libraries. Open and navigate to your Library .