Hello Neighbor Mod Kit Stuck At 45

This issue is common, particularly in Unreal Engine 4 projects , and usually signifies that the program is stuck compiling shaders or initializing assets rather than being broken. Why Is the Hello Neighbor Mod Kit Stuck at 45%?

Outdated operating systems can sometimes lack required libraries or frameworks. Make sure Windows is fully updated to the latest version.

The most authoritative solution from the community is a full reinstall of both the Mod Kit and the Unreal Engine component that supports it.

Permissions issues can stop the installer from writing files to the disk.

: This is the stage where the engine processes all the lighting and textures. hello neighbor mod kit stuck at 45

: The progress bar often stops at 45% because that is the point where the engine initializes the renderer and begins heavy shader work. Verification : Open your Task Manager (

Inside, look for a folder named DerivedDataCache and delete it entirely.

The following steps are ordered by the probability of success.

Hello Neighbor Mod Kit getting stuck at during the loading screen is a common issue typically caused by Unreal Engine compiling shaders This issue is common, particularly in Unreal Engine

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[00% ------------- Loading Engine Modules ------------- 45%] --> (Shader Compilation Triggered) --> [46% --- 100%]

When the Hello Neighbor Mod Kit gets stuck at 45% during loading, it is almost always compiling shaders

: Laptops without a dedicated GPU or systems with less than 8GB of RAM may never successfully pass the 45% mark due to memory exhaustion. Troubleshooting Summary Table Why it works Expected Time Just Wait Allows CPU to finish Shader Compilation 15 - 60+ mins Check Task Manager Confirms the app is still calculating, not frozen Delete DDC Forces a clean re-compile of all assets Check Firewall Ensures background worker tasks aren't blocked Make sure Windows is fully updated to the latest version

Close the Epic Games Launcher and ensure the mod kit is completely shut down via Task Manager. Press the Windows Key + R to open the Run dialog box. Type %localappdata% and hit Enter. Open the UnrealEngine folder.

Unreal Engine 4 relies heavily on your GPU drivers to handle shader compilation. If your drivers are outdated—or if a recent update introduced a bug—the editor can freeze indefinitely at 45%.

If the Editor crashes while loading a specific map you created: