Right-click the in your taskbar and select Sound Settings or More sound settings . Go to the Recording tab.
Outdated drivers are a primary culprit for initialization failures. Call of duty exe err mss init failed 150
: The Miles Sound System often fails to initialize if it detects no active audio output device, such as when speakers or headphones are unplugged. Right-click the in your taskbar and select Sound
The " Call of Duty exe err mss init failed 150" error is a common initialization failure that prevents the game from launching. This error specifically refers to a failure in the , a software library used by older Call of Duty titles like Call of Duty 2 and Call of Duty 4: Modern Warfare to handle audio. Common Causes of Error 150 : The Miles Sound System often fails to
: Lack of administrative rights can block the .exe from accessing necessary audio components. Step-by-Step Solutions 1. Enable Stereo Mix