Call Of Duty Exe Err Mss Init Failed 150 ((new)) [ 2026 ]

Fix: "Call of Duty EXE ERR MSS INIT FAILED 150" – Complete Guide

Miles Sound System

is unable to initialize the , the software library responsible for audio playback. This is a common issue in older titles like Call of Duty 2 or Black Ops 2 , often caused by missing files, incorrect audio settings, or compatibility conflicts. Primary Fixes for "MSS Init Failed"

• Exact error text and code
• Game version and platform (Steam/Battle.net)
• Recent system changes (driver updates, OS updates, new software)
• Relevant log excerpts and crash dump files
• System specs (OS version, CPU, GPU, RAM, storage)

Run as Administrator

: Sometimes the game lacks the permissions required to initialize the sound system. Call of duty exe err mss init failed 150

1. Verify Game File Integrity

Missing or corrupted files are the primary cause. Fix: "Call of Duty EXE ERR MSS INIT