An incomplete update or a sudden system crash can damage the library.
If the file exists but isn't working, try re-registering it through the Command Prompt: steam_api.dll free download - DLL-files.com steam-api.dll cod mw2
Before downloading anything, check if your antivirus "ate" the file. Open > Virus & threat protection . An incomplete update or a sudden system crash
"The program can't start because is missing from your computer." steam-api.dll cod mw2
Click . Steam will scan and download any missing components. 3. Re-register the DLL File
If you own the game on Steam, the client can automatically repair the missing file: Open your and right-click Modern Warfare 2 . Select Properties > Installed Files (or Local Files).