Call Of Duty Exe Err Mss Init Failed 150 //top\\ -
: Software like Discord , OBS , or antivirus programs can occasionally block the audio library from loading.
Third-party software overlays (Discord, GeForce Experience) blocking necessary game files. Step-by-Step Fixes for Call of Duty "mss init failed 150" 1. Basic Troubleshooting Steps Before attempting advanced fixes, start here:
: Damaged local game caches or missing .dll libraries. How to Fix Call of Duty EXE_ERR_MSS_INIT_FAILED
Follow these verified troubleshooting methods in order to resolve the crash and get your game running smoothly. 1. Enable "Stereo Mix" (The Most Common Fix) Call of duty exe err mss init failed 150
To fix a problem effectively, it's important to understand what it is. The error essentially means that the game's audio engine, "Miles Sound System," has failed to start properly. The number 150 likely represents a specific internal error code related to a failure in a component of the Miles Sound System, such as waveOutOpen() , a function used to access your computer's sound card.
: Use the Windows Device Manager to ensure your sound card is running the latest manufacturer drivers.
Corrupted game files are the most common cause of initialization failures. : Software like Discord , OBS , or
Make sure all necessary add-ons (multiplayer/DMZ) are installed. 4. Adjust Audio Settings (Windows)
If your sound hardware blocks this protocol, if the DLL file is missing, or if the system cannot map the older audio format, initialization fails, resulting in . Step-by-Step Fixes for Error 150
If resolving the sound system opens up secondary launch problems, consult this diagnostic matrix: Error Presentation Primary Root Cause Core Solution Enable "Stereo Mix" (The Most Common Fix) To
Under the tab, right-click your primary audio device (speakers or headset) and select Properties . Navigate to the Advanced tab.
Perform a "clean boot" of Windows. This starts your system with a minimal set of drivers and startup programs, which can help identify if a background application (like MSI Afterburner, Razer Cortex, or RGB software) is interfering with the game.
Fixes broken DirectSound structures that block hardware queries. Toggle Run as Administrator .