Call Of Duty Exe Err Mss Init Failed 150 //free\\ Jun 2026

and then back again, or ensuring it is not marked as "Read Only."

: Check the Registry Editor ( regedit ) at HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers and delete any entry for the game executable that includes RUNASADMIN if the game still won't launch. Call of duty exe err mss init failed 150

Verify and repair game files

Before diving into the fixes, it helps to understand why this happens. The error typically occurs when the game attempts to initialize the audio engine but fails. Common causes include: and then back again, or ensuring it is

Outdated drivers can prevent the Miles Sound System from initializing properly. Common causes include: Outdated drivers can prevent the

The Call of Duty series remains one of the most popular first-person shooter franchises, but players sometimes encounter cryptic runtime errors that interrupt gameplay. One such error — reported as “exe err mss init failed 150” — appears during launch and prevents the game from initializing properly. This essay explains what this error likely means, outlines common causes, and presents a clear, ordered troubleshooting plan to resolve it.