In the Unreal Engine ecosystem, 45% is a famous milestone. This specific number is the point where the engine begins and deriving data caches for the massive library of game assets.
: Your CPU usage may spike to 100% while this happens as "Shader Compile Workers" run in the background. Recommended Fixes & Solutions
The single most frequent reason your mod kit stalls at 45% is that .
For modders encountering problems later in the process, such as when loading a custom map or receiving a Blueprint error, the solution requires a more targeted approach. hello neighbor mod kit stuck at 45
: If you do not have a dedicated GPU, the editor may fail to launch entirely or perform so poorly that it effectively stays frozen. Unreal Engine
: This happens most frequently during the first launch after installation or after a major engine update.
Navigate back to %localappdata% and check if there is a specific HelloNeighbor or HNGroundZero folder. If you see a Saved folder inside them, delete the Config and Crashes subfolders. In the Unreal Engine ecosystem, 45% is a famous milestone
: Ensure your firewall isn't blocking the application. Some users found that disabling the firewall or adding an exception for Unreal Engine allowed it to proceed. Hardware Limits
Right-click the Epic Games Launcher shortcut and select Run as Administrator . 5. Verify Installation/Repair
: 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 ( Recommended Fixes & Solutions The single most frequent
If your system is below these specs, the engine may struggle to compile the necessary data, leading to the 45% freeze or extremely long load times.
The "Hello Neighbor Mod Kit stuck at 45%" issue can be frustrating, but it's usually resolvable with some troubleshooting and patience. By following the steps outlined in this guide, you should be able to identify and fix the underlying cause of the issue. If you're still experiencing problems, consider reaching out to the game's support team or modding community for further assistance.
Add the entire Mod Kit install folder and %LocalAppData%\HelloNeighborModKit to your AV’s exclusion list.
Leave the computer entirely alone. Do not click on the window (which might trigger a "Not Responding" crash) and let the shaders finish compiling. Subsequent launches will take only seconds. 2. Clear the Derived Data Cache (DDC)
This trick forces the system to recognize the tool properly, which is especially useful if the problem started after a hardware or software change.
