Assuming you mean the Hello Neighbor Mod Kit installation or upload progress stuck at 45% (or the mod itself stuck in-game at 45%), try these steps in order:
Delete the DerivedDataCache folder. This forces the engine to restart the compilation process cleanly. If you'd like to proceed, let me know: What are your PC specs (specifically your CPU and GPU)? How long has it been stuck at 45%? Is this your first time opening the Mod Kit? [PC] The game crashes at start – Hello Neighbor Support hello neighbor mod kit stuck at 45
Find and uncomment the line ; r.XGEShaderCompile = 0 (remove the semicolon so it reads r.XGEShaderCompile = 0). Assuming you mean the Hello Neighbor Mod Kit
If you recently added a custom asset or level, move it out of the ModKitProjects folder temporarily. Why: The Mod Kit’s backend (based on Unreal
When the Mod Kit gets stuck at 45%, it usually means one of three things:
Intermediate, Saved, and DerivedDataCache folders inside your project directory. These will regenerate on next load (but you may lose some temporary data).C:\Program Files\Epic Games\HelloNeighborModKit