Call Of Duty Exe Err Mss Init Failed 150 Jun 2026

Right-click the speaker icon on your computer screen. Click "Sound settings." Choose your main headphones or speakers as the default device.

The error is a critical launch crash caused by a failure in the game's Miles Sound System (MSS) audio engine. This issue typically occurs because of corrupted sound driver configurations, missing audio devices, or compatibility problems on modern operating systems like Windows 10 and Windows 11. Call of duty exe err mss init failed 150

: For older titles like Call of Duty 2 , enabling or disabling "Stereo Mix" in the Recording tab of Sound Settings can sometimes resolve the initialization hang. Right-click the speaker icon on your computer screen