Error IS-UP-FC02-3 or IS-UP-FC02-32: Archive corrupted

These errors occur when there are corrupted files that are not allowing you to update Fortnite or other games on the Epic Games Launcher.  To resolve this issue, try the following:

1. Clear the Epic Games Launcher cache by following the steps in How do I clear the Launcher cache on PC? 
2. Uninstall and reinstall the game:
   1. Uninstall the game by following the steps in How do I uninstall a game in the Epic Games Launcher?
   2. Reinstall the game