The file belongs in the where the CoD2SP_s.exe and CoD2MP_s.exe files are located.
“The program can’t start because mss32.dll is missing from your computer. Try reinstalling the program to fix this problem.”
Running the game in compatibility mode can help resolve issues with newer operating systems.
Modern antivirus software (especially Windows Defender’s more aggressive modes, McAfee, and Norton) often flags older DLLs as false positives. Why? Because mss32.dll has a digital signature from RAD Game Tools that may now be considered “expired” or “uncommon.” Some AV heuristics see an unknown DLL trying to inject itself into a game process and quarantine it without asking.
: Modern operating systems (Windows 10/11) may struggle to find or register this older 32-bit driver file. Recommended Solutions How to FIX Mss32.dll File Missing Error [SOLUTION]
Have you encountered other legacy DLL errors in classic Call of Duty games? Share your war stories—and fixes—below.

