Press the and type "Edit system environment variables" into the search bar, then hit Enter.

Version 1.19 is highly sought after because it features the final, fully functional Mod Kit integration before the developers shifted focus to sequel projects. However, loading custom maps can easily trigger a memory crash if handled incorrectly. Clear the Mod Cache

all existing mod files to ensure a clean slate before applying the fix. Network Isolation :

Change them to match your native desktop monitor resolution (e.g., ResolutionSizeX=1920 , ResolutionSizeY=1080 ).

Troubleshooting Hello Neighbor v1.1.9: Comprehensive Fixes and Modding Guide