You can also just turn Controlled Folder Access OFF temporarily to test if this is the issue. If the game launches, you know the culprit. Turn it back on, but make sure to whitelist the game.
Try these solutions in order. The first one works for 90% of users. black ops 2 cannot create steam-api.dll
takeown /f "C:\Path\To\BlackOps2" /r /d y icacls "C:\Path\To\BlackOps2" /grant Administrators:F /t You can also just turn Controlled Folder Access
This is a niche fix, but it has saved dozens of people on Reddit. For some reason, BO2 hates spaces in file paths when combined with certain security software. Try these solutions in order
It is impossible to discuss this error without acknowledging the role of software piracy. The steam-api.dll file is the single most modified file in "cracked" versions of games. Piracy groups modify this file to bypass Steam’s ownership verification.
The "black ops 2 cannot create steam-api.dll" error is a permission or security conflict, not a hardware failure. In 95% of cases, it is resolved by:
Add the Black Ops II folder as an in your antivirus settings to prevent it from happening again. 3. Verify Integrity of Game Files (Steam) If you are using the official Steam version: Open your Steam Library . Right-click on Call of Duty: Black Ops II . Select Properties > Installed Files .