The error message "EXE ERR MSS Init Failed 150" suggests that there is an issue with the initialization of the game's executable. This error can occur due to various reasons, including:
Error 150 is almost never a game corruption issue—it is always an audio driver or device conflict . The solution is almost always found in Fix #1 (disabling extra devices) or Fix #6 (editing the config file). Do not reinstall the game until you have tried all 12 steps. Call of duty exe err mss init failed 150
: Corrupted Realtek or proprietary sound drivers are frequent culprits. Download the latest drivers from your motherboard or PC manufacturer's support site. Advanced Troubleshooting The error message "EXE ERR MSS Init Failed
Select or 24-bit, 48000 Hz (DVD Quality) . Click Apply and test the game. Do not reinstall the game until you have tried all 12 steps
This guide is organized in order of increasing complexity. Start with Solution #1 and work your way down. Most often, one of the early solutions will resolve your issue immediately.
Reset your system to default clock speeds and attempt to launch the game again.
When the game fails to "initialize" this system, it cannot start, often leading to a crash with the EXE_ERR_MSS_INIT_FAILED message or a variation like waveOutOpen() failed . While the error can theoretically be caused by various issues, in the vast majority of cases, it points directly to a problem with your system's audio configuration.