Look for the folder structure containing localized user settings (often Players or containing files like default.cfg / default_mp.cfg ).
USB devices, specialized headsets, or microphones interfering with audio initialization.
While it may be an old issue, it's one of the first major technical hurdles a new Call of Duty player on PC might face. However, the fixes are now well-documented by the community and support teams. With patience and the right approach, you'll have your sound system initialized and be back in the action before you know it.
Go to the tab and check Run this program as an administrator . Click Apply and OK. 6. Perform a Clean Boot Call of duty exe err mss init failed 150
Right-click the in your taskbar and select Sound Settings or More sound settings . Go to the Recording tab.
This is the most effective solution and should be your primary go-to. It instructs your game launcher (Steam, Battle.net) to check every single game file against the master copy on their servers and replace any that are missing or corrupted.
A third-party app (Discord overlay, Razer Synapse, MSI Afterburner, or NVIDIA ShadowPlay) might be hijacking the audio stack. Look for the folder structure containing localized user
The good news is that while the error message is technical and intimidating, the solutions are often straightforward. Based on community findings, support documentation, and extensive user reports, this guide will break down exactly what this error means, what causes it, and most importantly, the definitive step-by-step methods to get you back in the action.
Follow these solutions in order from the most common fixes to advanced system troubleshooting. 1. Correct the Executable’s Installation Path
: Stands for Miles Sound System , a highly popular middleware audio toolkit developed by RAD Game Tools that was used extensively across early-to-mid 2000s video games. However, the fixes are now well-documented by the
Right-click your main audio controller (typically ) and select Update driver . Choose Search automatically for drivers .
Right-click the sound icon in your taskbar and select . Go to the Recording tab (in the Sound Control Panel). Right-click anywhere and select Show Disabled Devices . Right-click Stereo Mix and select Enable .
