If you're still experiencing issues with the "Call of Duty EXE ERR MSS INIT FAILED 150" error, you may want to try the following additional resources:
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: The executable successfully located the engine guidelines but failed to initialize the sound environment, usually due to incorrect directory structures, administrative blockades, or incompatible Windows audio configurations. Step-by-Step Fixes for Call of Duty "MSS Init Failed 150" Call of duty exe err mss init failed 150
: Outdated or incompatible audio drivers (particularly Realtek) may prevent the sound system from starting.
Navigate to your Call of Duty installation folder (e.g., C:\Program Files (x86)\Steam\steamapps\common\Call of Duty 2 ). Look for a file named mss32.dll or mss64.dll . If you're still experiencing issues with the "Call
: Incomplete installations or disk errors can damage the executable's ability to call audio libraries.
: The game may lack the necessary rights to access system-level audio components. How to Fix the Error Nothing
To fix the crash, it helps to understand what the error code is telling you: