If you need more help, let me know you are playing, your PC specifications , and exactly when the crash happens (at startup or during a specific match). I can then provide a more targeted fix. Share public link

The error message (sometimes appearing as ) typically indicates a corrupted file or a failed directory access within Mortal Kombat ’s local installation. This is common in titles like Mortal Kombat 11 and Mortal Kombat (2011) 🛠️ Step-by-Step Fixes 1. Delete the Local AppData Folder (Most Effective)

The name "Null Core Errors Open Failed Mortal Kombat New" inspired a creative solution that tackles game stability issues with a touch of fun and personality!

: If you are using Steam, right-click the game in your library, select Properties > Local Files , and click Verify Integrity of Game Files to repair missing or broken binaries.

2026 Affected Games: Mortal Kombat 1 (2023), Mortal Kombat 11, Mortal Kombat X Platforms: PC (Steam, Epic Games)

In plain English:

A error means the engine tried to access a core configuration object, but that object was empty (null). “Open failed” indicates the game couldn’t read a necessary .ini or .cfg file.

If the game crashes on boot with this error, deleting the local settings can force a "clean" engine start. Delete options.ini : Located in the %appdata%/MKKE