Run the installer to repair your existing Steam installation. Restart your PC. Launch Black Ops III as an administrator. Update Graphics Drivers and DirectX
Right-click and choose Properties . Click on the Installed Files tab on the left panel. Click the Verify integrity of game files button.
How to Fix steam_api64.dll Missing Error in Black Ops 3 (Verified Solutions)
Right-click on and select Properties . Go to the Installed Files (or Local Files) tab. Run the installer to repair your existing Steam installation
, you primarily need to restore the file that has likely been quarantined by your antivirus or corrupted during installation. Quick Fixes for Black Ops 3 Verify Integrity of Game Files : This is the most reliable way to restore official files. Steam Library Right-click Call of Duty: Black Ops 3 and select Properties Installed Files (or Local Files) tab.
Have a different error? Check our guides on “Black Ops 3 won’t launch” and “Fatal error in Black Ops 3.”
Show you to fix Windows errors. Let me know which you prefer! steam_api64.dll Missing Error | How to Fix | 2 Fixes | 2021 Update Graphics Drivers and DirectX Right-click and choose
: Antivirus software often flags this specific DLL as a "false positive" and removes it. Windows Security (or your third-party antivirus). Virus & threat protection Protection history Find the entry related to steam_api64.dll , and select Add the Black Ops 3 installation folder to your antivirus Exclusion list to prevent it from being deleted again. Verify Integrity of Game Files
Right-click on and select Properties . Navigate to the Installed Files (or Local Files) tab.
If Method 1 fails, your antivirus probably deleted the file the moment Steam downloaded it again. You need to restore it and create an exception. How to Fix steam_api64
Once restored and excluded, repeat (Verify Integrity) to ensure the file is intact.
This guide provides to fix this error, ranging from simple file verification to, in some cases, necessary antivirus adjustments. Method 1: Verify Integrity of Game Files (Most Effective)
If none of the above works, it is possible that the Steam installation structure for the game has deeper corruption.