Call Of Duty Exe Err Mss Init Failed 150

Temporarily turn off:

Sometimes, legitimate software running in the background conflicts with the game’s anti-cheat or audio engine. This is common with:

How to test this: Close these applications completely via the System Tray (bottom right corner of your screen) or Task Manager before launching the game. If the game launches successfully, you know one of these apps was the culprit. Call of duty exe err mss init failed 150

You don’t need to reinstall Windows. You don’t need to buy a new GPU. Here is the actual fix.

Step 1: The Sample Rate Surrender

Step 2: The DLL Resurrection

Step 3: The Arithmetic of Audio

Modern headsets (especially those operating at 96kHz or 192kHz) speak a different language than the legacy MSS system (which prefers 44.1kHz or 48kHz). When your Windows audio is set to "Studio Quality," MSS chokes. It tries to initialize, sees a sample rate it doesn’t recognize, and throws error 150.

You’re ready to drop into a match, but instead of the main menu, you are hit with a critical crash and the error message: "Call of duty exe err mss init failed 150." How to test this: Close these applications completely

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 Miles Sound System, a third-party audio software used by many games to handle sound processing.

Here is a step-by-step guide to fixing the "MSS Init Failed 150" error so you can get back to the action. You don’t need to reinstall Windows