No. The legitimate file is safe. However, malware sometimes masquerades with the same name. Always verify the file location—the real one is only in your Steam game folders or C:\Windows\System32 (rarely). If it is in C:\Users\YourName\AppData\Local\Temp , delete it immediately.
Don't worry; we've got you covered. Here are some troubleshooting steps to help you fix the Steam-api.dll missing error in Batman Arkham City: Batman Arkham City Steam-api.dll Missing Error
If you're experiencing the Steam-api.dll missing error in Batman Arkham City, you may encounter the following symptoms: delete it immediately. Don't worry
Tech Fix Hub Difficulty Level: Easy to Moderate Estimated Time: 10–20 minutes Batman Arkham City Steam-api.dll Missing Error
Or, alternatively: