Press Windows Key + R , type appwiz.cpl , and press to open the Programs and Features window.
If the above methods fail, you may need to intervene manually. Only download DLLs from sources you trust, as malicious files can pose a serious risk to your computer.
Click . Steam will automatically detect and redownload the missing file. 3. Reinstall Essential Redistributables
Quick fixes (try in order):
This error can be resolved with the right approach. Start with the safest methods and work your way down. By systematically working through these steps—from verifying game files to adjusting your antivirus settings—you have an excellent chance of getting Mortal Kombat X running again. Good luck, and enjoy the fight!
Open your antivirus software (e.g., Windows Defender, Avast, AVG, or Bitdefender).
Install both the x86 and x64 versions of the . ⚠️ Important Warning Do not download the DLL from "DLL Fixer" websites. These files are often outdated or contain malware. steam-api64r.dll missing mortal kombat x
, sensing the file's attempt to intercept system calls, had mistaken it for an intruder and quarantined it
How to Fix the "steam-api64r.dll Missing" Error in Mortal Kombat X
Over-aggressive antivirus software often mistakenly flags DLL files as threats, quarantining or deleting them. Press Windows Key + R , type appwiz
Wait for Steam to scan your installation. If files are missing, Steam will automatically download them. 3. Reinstall Steam and Update the Game
Download and reinstall the latest DirectX and Microsoft Visual C++ Redistributable (specifically the 2012 and 2013 versions for MKX) from the Official Microsoft Support Page.
If you are using a modified version of the game, cracks often modify or replace the original Steam API files, causing them to trigger aggressive antivirus deletes. If it's incorrectly placed elsewhere
The steam_api64r.dll file be placed in the same folder as the game's main executable file, which for Mortal Kombat X is MK10.exe . If it's incorrectly placed elsewhere, the game won't be able to find it. Furthermore, using a version of this DLL from a different game or an incompatible build can cause the error.
Click on the (or Local Files ) tab on the left menu. Click the Verify integrity of game files... button.