: Users or system optimization tools might accidentally delete the file from the game directory. How to Fix the steam_api.dll Error Safely
Since this is the most frequent cause, it's your first stop. Your antivirus has likely "protected" you by removing the file. : Users or system optimization tools might accidentally
If you're using any mods or third-party software, try disabling them to see if they're causing the issue. : Users or system optimization tools might accidentally
...this article will guide you through the best methods to resolve this issue and get back to Agent 47's world. What Causes the steam_api.dll Error? : Users or system optimization tools might accidentally