Call Of Duty Exe Err Mss Init Failed 150

Right-click your default device (Speakers/Headset) and select . Go to the Advanced tab.

: The Miles Sound System often fails to initialize if it detects no active audio output device, such as when speakers or headphones are unplugged.

Navigate to your Call of Duty game directory (e.g., ...\Steam\steamapps\common\Call of Duty 2 ).

Step-by-step troubleshooting (ordered, prescriptive) Call of duty exe err mss init failed 150

In the context of Call of Duty (specifically Warzone , Modern Warfare , Vanguard , or Black Ops Cold War ), this error means the game executable ( cod.exe ) has failed to initialize the audio system.

The simplest fix is often giving the executable permission to initialize hardware components. Navigate to your Call of Duty installation folder. Right-click cod.exe or modernwarfare.exe . Select .

If the steps above did not work, try these more advanced solutions: Navigate to your Call of Duty game directory (e

Steam.dll is directly present in the root folder if launching via a digital store.

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

Right-click the in the bottom-right corner of your Windows taskbar and open Sound Settings . Navigate to your Call of Duty installation folder

Disable any CPU or GPU overclocking in your BIOS or through software like .

This triggers the Windows audio subsystem to present an active target endpoint, satisfying the Miles Sound System initialization requirements. 3. Run the Game as an Administrator

USB audio devices (headsets, DACs) causing initialization issues.

Third-party applications are a frequent source of conflicts. A clean boot starts Windows with a minimal set of drivers and startup programs, allowing you to isolate the conflict.

: Incompatible or old sound drivers can prevent the system from properly communicating with the game's audio engine.