Avoid running other heavy programs in the background to speed up the process. 2. Check Hardware Requirements
The Mod Kit is built on Unreal Engine 4 (UE4). When you launch it for the first time, or after an update, the engine must compile thousands of shaders. Unreal Engine hello neighbor mod kit stuck at 45
If you have downloaded the Hello Neighbor Mod Kit to start creating custom maps and gameplay, you will likely encounter a frustrating hurdle: the loading screen freezes at exactly 45%. Avoid running other heavy programs in the background
This is the specific point where the engine begins loading and compiling core shaders. or after an update