This error ( mss init failed 150 ) in Call of Duty (typically the original game or United Offensive ) means the game’s (MSS) failed to initialize an audio driver or device.

Close Menu
0
    0
    Your Cart
    Your cart is emptyReturn to Shop
    Continue Shopping
    Need Help?

    Call Of Duty Exe Err Mss Init Failed 150 May 2026

    This error ( mss init failed 150 ) in Call of Duty (typically the original game or United Offensive ) means the game’s (MSS) failed to initialize an audio driver or device.