Steam-api64r.dll Missing Mortal Kombat X

The infamous steam-api64.dll error!

Have you fixed the error? Let us know in the comments which method worked for you! steam-api64r.dll missing mortal kombat x

  1. Exit Steam completely (right-click system tray > Exit).
  2. Press Windows + R, type steam://flushconfig, and press Enter. Click "OK" to confirm.
  3. Download the latest Steam installer from the official website.
  4. Run the installer. It will detect your existing games and repair the Steam service, including API DLLs.
  5. Restart your PC and launch Mortal Kombat X.

steam-api64r.dll missing Mortal Kombat X typically occurs because your antivirus has quarantined or deleted the file, often identifying it as a false positive . This specific variant ( The infamous steam-api64

The Review: A Classic Case of File Corruption

Rating: ⭐⭐☆☆☆ (2/5) – Annoying, but Fixable. Exit Steam completely (right-click system tray > Exit)

Cause:

  1. Navigate to your Steam installation folder: C:\Program Files (x86)\Steam\steamapps\common\MortalkombatX
  2. Look for the file steam_api64r.dll (note the underscores: steam_api64r, not steam-api with a dash). The error message often mis-types the dash.
  3. If the file is present but the error persists, rename the existing file to steam_api64r.old.
  4. Go to your Steam depot cache: C:\Program Files (x86)\Steam\steamapps\downloading\ (You may need to search subfolders for the game ID: 307780)
  5. Copy a fresh steam_api64r.dll from the cache into the main game folder.

3 Fast Fixes (Try Them in Order)

Fix 1: Restore from Antivirus Quarantine (Most Common)

Your antivirus almost certainly ate the file.