Epic Games Launcher Stuck Installing Unreal Engine

How to fix it

Try these in order — the most common fix is first.

1. 1. Reset the launcher

   Copy steps
   1. Fully quit the launcher from the system tray
   2. Delete the launcher's webcache folders and restart
   Did this fix it? Yes No

2. 2. Check disk and network

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   1. Install to a drive with at least 100 GB free
   2. Allow the launcher in the firewall and try another network or DNS
   Did this fix it? Yes No

3. 3. Install prerequisites

   1. Install the Visual Studio C++ workload and the latest Visual C++ redistributables
   Did this fix it? Yes No

4. 4. Reinstall or escalate

   Copy steps
   1. Reinstall the launcher from the official site only
   2. If the version stays stuck for days, contact Epic support
   Did this fix it? Yes No

Symptoms

Installing Unreal Engine from the launcher stays at 0%, 'Initializing', 'Please wait', or stops at a fixed percentage; the Install button may do nothing.

Why it happens

• Launcher cache or state corruption
• Network, DNS or firewall blocks
• Missing prerequisites (Visual C++ components)
• Low disk space or wrong install path
• Launcher or backend issue for a specific version (reports for 5.7 and 5.8)

This guide also covers

• epic games launcher stuck installing unreal engine
• unreal engine install stuck at 0%
• unreal engine won't install

Other Unreal Engine errors

• Unreal Engine Fatal Error Crash
• Unreal Engine GPU Crashed or D3D Device Removed
• Unreal Engine Shaders Compiling Forever (Stuck at 45%)
• Unreal Engine Out of Video Memory Error
• Unreal Engine Project Won't Open After Upgrade
• Unreal Engine Packaging Failed (Unknown Cook Failure)
• Unreal Engine Visual Studio C++ Build Errors
• Unreal Engine 5 Lumen and Nanite Low FPS