If you are developing custom maps or mods for Hello Neighbor, opening the Epic Games Launcher and seeing the Hello Neighbor Mod Kit freeze at exactly 45% is an incredibly common—and frustrating—experience.
If the kit has been stuck for several hours without progress, try these steps: 1. Just Wait (The "Patience" Fix)
Are you seeing any or crash reports when the loading screen closes? [Solved] Unreal Editor loading stuck at 45% - C++ hello neighbor mod kit stuck at 45
(Ctrl+Shift+Esc); you should see "ShaderCompileWorker" processes active and high CPU usage. First-Time Load
The Hello Neighbor Mod Kit is a powerful tool that allows players to create and share their own custom mods for the game. However, some players have been experiencing an issue where the Mod Kit gets stuck at 45% during the installation or update process. By following the troubleshooting steps outlined in this article, you should be able to resolve the issue and get back to creating and playing mods with the Hello Neighbor Mod Kit. If you are developing custom maps or mods
: This is the stage where the engine processes all the lighting and textures.
Navigate to: %LocalAppData%\HelloNeighborModKit\Saved\ Delete the Cooked , Intermediate , and Saved folders (back up your custom levels first). Restart the game – it will rebuild caches. [Solved] Unreal Editor loading stuck at 45% -
This command tells the engine to handle alpha channels in post-processing differently, which has been known to resolve startup freezes for some users.
: If the loading remains stuck for more than a day, your cache may be corrupted. Navigate to your local AppData folder ( %LOCALAPPDATA%\UnrealEngine\Common\DerivedDataCache ) and delete the contents to force a fresh recompilation.
If the download is strictly stuck (speed is 0.00 but not failed), the launcher may simply be timing out while requesting the next packet.