Steam-api64r.dll Missing Mortal Kombat X →

Click on the (or Local Files ) tab on the left menu. Click the Verify integrity of game files... button.

When searching for a fix, you will find dozens of websites offering a direct download for steam-api64r.dll .

The error usually appears for one of three reasons: steam-api64r.dll missing mortal kombat x

This error completely prevents the game from opening. Fortunately, resolving it is straightforward once you understand why it happens and how to restore the file safely. What is steam-api64r.dll and Why is it Missing?

Download and install the latest redistributables (make sure to install both the vc_redist.x64.exe version). Click on the (or Local Files ) tab on the left menu

The in the filename indicates it’s for 64-bit systems (most modern PCs). The r likely stands for “release” version.

For Windows Defender users: Go to Virus & threat protection > Protection history > Look for "Threat quarantined" > Click Actions > Restore. When searching for a fix, you will find

: If you own the game on Steam, right-click Mortal Kombat X in your Library, go to Properties > Installed Files , and select Verify integrity of game files . Steam will automatically redownload the correct steam_api64.dll .