Error: II-E1003

This error usually occurs when the Epic Games Launcher couldn't download the game files for installation. Try verifying your game files by following the instructions here: How do I verify game files in the Epic Games Launcher?

The cache files contain information about previous uses of the launcher. Deleting these files, then letting the Launcher rebuild them again can sometimes fix issues like this.

On PC:

  1. In the lower right corner click on the arrow pointing up (the chevron)
  2. Right-click on the Epic icon in the pop up window
  3. Select Exit
  4. Press the Windows key and tap the R key, this will open a run window
  5. Type %localappdata%
  6. Press the Enter key, this will open File Explorer
  7. Open the EpicGamesLauncher folder
  8. Open the Saved folder
  9. Right click and select delete on:
    • webcache
    • webcache_4147
    • webcache_4430
      There may only be one or two of the files present

On Mac:

  1. Exit the Epic Games Launcher.
  2. Open Finder.
  3. Click on Go then Go to Folder...
  4. Type "~/Library/Caches/com.epicgames.EpicGamesLauncher" and press Enter.
  5. Drag the webcache folder to the Trash.
  6. Press control and click on Trash.
  7. Click on Empty Trash.
  8. Relaunch the Epic Games Launcher.

Reinstall the Epic Games Launcher

Note: The following process will remove all of your installed games.

On Windows:

Follow these steps to run the system file checker then reinstall the Epic Games Launcher:

  1. Close the Epic Games launcher by right-clicking the system tray icon in the bottom right corner and then clicking Exit.
  2. Click Start.
  3. Type "cmd", right-click Command Prompt, and then click Run as administrator.
  4. In the window that opens, type "sfc /scannow", and then press Enter.
    This may take a little while.
  5. Restart your computer.
  6. Click Start.
  7. Type "Add or Remove Programs", and then press Enter.
  8. Select Epic Games Launcher from the list of programs.
  9. Click Uninstall.
  10. Go to and click Get Epic Games in the top right corner to download the latest installer.

On Mac:

Note: If your Launcher is freezing on macOS 10.15.1 or earlier, reinstalling the Launcher often fixes the issue. Please note that macOS 10.12 and earlier are no longer supported.

  1. Close the Epic Games Launcher.
  2. Verify there are no processes associated with the Epic Games Launcher by checking Activity Monitor.
  3. Open the Applications folder.
  4. Click and drag the Epic Games Launcher application to the Trash.
  5. Verify all the following directories no longer have any Epic Games Launcher folders or files:
    • ~/Library/Application Support
    • ~/Library/Caches
    • ~/Library/Preferences
    • ~/Library/Logs
    • ~/Library/Cookies
  6. Go to and click Get Epic Games in the top right corner to download the latest installer.

Change your DNS servers

Follow the steps in this article to change your DNS servers: How do I change my DNS servers on my platform to connect to Fortnite?

If the issue has not been resolved, please contact us including the Launcher logs.

For more information on getting the Launcher logs visit this article: How do I gather logs for Epic Games Launcher?

Once you have your launcher logs generated attach them to a support ticket and we would look further into it.

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