Leave the computer alone. Depending entirely on your CPU's core and thread count, this waiting game can take anywhere from 15 minutes to over an hour on mid-range hardware. Breaking the process early by force-closing the window resets your progress, forcing your CPU to restart the compilation loop from zero the next time you try to launch it. [Solved] Unreal Editor loading stuck at 45% - C++
Because the mod kit is built on a modified version of Unreal Engine 4 (UE4), this 45% freeze usually does not mean the program has crashed. Instead, it means the engine is working hard under the hood, or it has encountered a specific conflict with your system's hardware or file paths.
: 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 hello neighbor mod kit stuck at 45
Especially for Intel iGPUs or older NVIDIA/AMD cards. Clean reinstall using DDU if needed.
If the problem is specific (e.g., stuck at “45% compiling,” “45% uploading,” or an in-game mod stuck at 45% progress), tell me which and paste any error messages or relevant log lines and I’ll give targeted steps. Leave the computer alone
The Mod Kit relies on Microsoft Visual C++ libraries. If they are missing or corrupt, the asset compiler at 45% will fail.
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. [Solved] Unreal Editor loading stuck at 45% -
Getting stuck at 45% is a rite of passage for Hello Neighbor modders, but it is rarely a permanent death sentence. In 90% of cases, or Verifying game files (Step 3) solves the problem instantly.
This isn’t a crash but a where the progress bar stops moving, often with the music still playing.