II-E1003 error: Install Failed
If you see the II-E1003 error while trying to install a game, it means that the Epic Games Launcher can't download the necessary game files for installation. Follow the troubleshooting steps below to fix the issue:
Check if you have the latest version of Epic Games Launcher installed. Refer to Update the Epic Games Launcher.
Verify your game files. Refer to How do I verify game files in the Epic Games Launcher?
Clear Epic Games Launcher cache. Refer to How do I clear the Launcher cache on PC?
Reinstall the Epic Games Launcher. Refer to How do I reinstall the Epic Games Launcher?
This will remove all of the games that you installed through the Epic Games Launcher.Change your DNS server. Refer to How do I switch to a public DNS to strengthen my connection?