Unreal Engine 4 is a heavy development environment. If your computer relies solely on integrated graphics (common in non-gaming laptops) instead of a dedicated graphics card (like NVIDIA or AMD), the editor may genuinely fail to load past this point.
: This process is highly demanding on your processor. You can verify it is still working by opening Task Manager
Leave the installer running for at least 30–60 minutes , even if it looks stuck. hello neighbor mod kit stuck at 45
If you’re a modder, keep regular backups of your projects before testing. If you’re just playing custom levels, consider using the base Hello Neighbor game instead, which rarely has this issue.
By following these steps, you should be able to get past the 45% mark and begin using the mod kit to create your own terrifying neighborhood experiences. If you are still experiencing issues after trying these, Unreal Engine 4 is a heavy development environment
If the above troubleshooting steps don't resolve the issue, you may need to try some more advanced troubleshooting steps:
To fix the getting stuck at 45% on the loading screen, the most common solution is to simply wait it out . You can verify it is still working by
Go to the tab in the new window and click Change under Virtual Memory .
The most authoritative solution from the community is a full reinstall of both the Mod Kit and the Unreal Engine component that supports it.