Select and then Allow or Exempt the file so it isn't flagged again. 3. Add a Folder Exclusion
Here is a comprehensive, step-by-step guide to fixing the missing steam_api64r.dll file and getting your game back up and running. Understanding the Error
Steam will replace any missing files, including the DLL. 3. Reinstall Steam Client Service
To fix the problem, you must first understand the culprit.
"The program can't start because steam_api64.dll is missing from your computer. Try reinstalling the program to fix this problem."
To help narrow down the exact issue with your setup, could you tell me:
To prevent it from being deleted again, add the Infinite Warfare game folder to your antivirus exclusion list. Manual Installation (Advanced)
The steam_api64r.dll missing error prevents Call of Duty: Infinite Warfare from launching. This error usually triggers when Windows Defender or a third-party antivirus software flags the file as a false positive and quarantines it.
Have you recently installed any for the game? Share public link
A broader Windows issue can break DLL handling.