Are you playing the or the 2022 reboot of Modern Warfare 2? Which antivirus software are you currently using?
A: It's possible, though less common. Hardware issues like faulty RAM (memory) or a hard drive with bad sectors can corrupt any file on your system, including game files. If you have tried all the software fixes above and the problem recurs frequently, you might want to run diagnostic tools to check your computer's memory and hard drive health.
If you are seeing a "steam_api.dll missing" error in Call of Duty: Modern Warfare 2
Several issues can trigger this error, though some are more common for older titles like Modern Warfare 2 :
Verifying game ownership and digital rights management (DRM) Activating Steam overlay features during gameplay
A: The standard steam_api.dll is the 32-bit version of the library, intended for 32-bit applications. steam_api64.dll is the 64-bit version for modern 64-bit games. Call of Duty: Modern Warfare 2 (2009) was built as a 32-bit application, so it uses steam_api.dll .
Several common scenarios can cause the steam_api.dll file to disappear from your system: