Call Of Duty Exe Err Mss Init Failed 150

Select > Compatibility tab > Check Run this program as an administrator .

If the error disappears with -nosound , your audio drivers or a sound enhancement app (Nahimic, Sonic Studio, Voicemeeter) is the root cause. Call of duty exe err mss init failed 150

When the game fails to "initialize" this system, it cannot start, often leading to a crash with the EXE_ERR_MSS_INIT_FAILED message or a variation like waveOutOpen() failed . While the error can theoretically be caused by various issues, in the vast majority of cases, it points directly to a problem with your system's audio configuration. Select > Compatibility tab > Check Run this

The application returns err mss init failed 150 due to one of four core issues: While the error can theoretically be caused by

Locate the main game executable file (e.g., CoD2SP.exe or cod2_mp.exe ). Right-click the file and select . Switch to the Compatibility tab. Check the box next to Run this program as an administrator .

Ensure that a set of speakers or headphones is physically plugged into your PC before launching. The MSS engine often crashes if it cannot find a valid playback device at startup. 3. Update or Reinstall Sound Drivers

: Right-click Call of Duty > Properties > Installed Files > Verify integrity of game files .