Support Center

How do I generate my Epic Games launcher debug logs?

Last Updated: Nov 30, 2016 09:57AM EST
To help troubleshoot when problems occur with the Epic Games launcher, members of the Player Support team will often ask for your launcher debug logs.  Please note that while these logs are very similar to the default logs that are automatically generated by the launcher, and even appear in the same directory, they are not the same.  Debug logs include some extra information that is often critical to diagnosing issues.  To generate your debug logs, follow the steps below.

Method 1: From Inside the Launcher

This method assumes you are able to open the launcher and navigate to the main window.  If you are not able to open the launcher, skip to Method 2 for Windows or Method 3 for Mac.
  • In the top-right of the launcher's main window, click the Gear icon.
    • If you are unable to sign in, you can click Go Offline to access the main window.
  • Select Enable debug logging and then choose Enable Now. If you issue occurs at launch or sign in, Select Enable debug logging and then choose Restart.
  • Reproduce the issue you’re experiencing while the debug logging is on.
  • After reproducing your issue, go back to the Gear icon and select Show launcher logs
  • Close the launcher.
  • Place all of the logs in this folder into a zip file and attach it to an email to the Player Support team.
Method 2: From Outside the Launcher (Windows)
 
  • Right-Click on the Epic Games Launcher desktop shortcut.
  • Select Properties.
  • Select the Shortcut tab.
  • Add -debuglogging to the end of the file path in the target field.
    • Make sure there is a space between the file path and the dash.
  • Click Apply.
  • Open the launcher by double-clicking your desktop shortcut.
  • Reproduce your issue, then close the launcher.
  • After you have closed the launcher, remove the -debuglogging command from the target field.
  • Navigate to your log files.  They should be in the following location: C:\Users\[YourUserNameHere]\AppData\Local\EpicGamesLauncher\Saved\Logs
  • Once you have found them, place them in a zip file and attach it to an email to the Player Support team.
Method 3: From Outside the Launcher (Mac)
  • Open a terminal and enter the following line: open /Applications/Epic\ Games\ Launcher.app —args -debuglogging
  • This will start the launcher.  Allow it to run normally until your issue has been reproduced.
  • Once you have reproduced the issue, close the launcher.
  • In your terminal, enter the following line: open /Users/[YourUserNameHere]/Library/Logs/Unreal\ Engine/EpicGamesLauncher
  • In the resulting window, right click on the EpicGamesLauncher folder and choose Compress "EpicGamesLauncher"
  • Send the resulting zip file to us.

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