, you should first attempt to restore the file through official Steam tools before considering a manual download. This error often occurs because antivirus software mistakenly flags and quarantines the file as a threat. 1. Verify Integrity of Game Files (Recommended) This is the safest way to replace a missing steam_api.dll without downloading files from untrusted third-party sites. Steam Library Right-click on Resident Evil 6 and select Properties Navigate to the Local Files Installed Files

:

Select , then navigate to the Installed Files tab. Click Verify integrity of game files .