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How do I fix the Fortnite error code 91?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Fortnite error code 91 is an error that can occur when trying to launch the game. This error is usually caused by an issue with your internet connection or the game's files.

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1. Check your internet connection and make sure it is stable

  1. Open the "windows" menu and click on "internet options".
  2. On the "internet options" window, click on the "connections" tab.
  3. On the "connections" tab, make sure that the "active" checkbox is checked.
  4. Click on the "details" button next to the "active" checkbox.
  5. On the "details" window, make sure that the "connection type" is set to "wireless internet".
  6. If the "connection type" is set to "wireless internet", make sure that the "network connection" is set to "stable".
  7. If the "network connection" is set to "stable", make sure that the "internet connection" is set to "stable".
  8. Click on the "OK" button to close the "details" window.
  9. If the "internet connection" is set to "stable", close the "internet options" window.
  10. Click on the "start" button to restart the computer.

2. Restart your computer and router

To restart your computer and router:

  1. Close any programs that are running.
  2. Click on the "Start" button and then click on the "Shutdown" button.
  3. Click on the "Restart" button.
  4. When your computer restarts, it will go through a screen that will tell you to choose an option.
  5. Click on the "Restart Options" button.
  6. Click on the "Troubleshoot" button.
  7. Click on the "Restart" button.
  8. When your computer restarts, it will go through a screen that will tell you to choose an option.
  9. Click on the "Advanced Options" button.
  10. Click on the "Startup Settings" button.
  11. Click on the "Restart" button.
  12. When your router restarts, it will go through a screen that will tell you to choose an option.
  13. Click on the "Restart" button.
  14. When your router restarts, it will go through a screen that will tell you to choose an option.
  15. Click on the "Wireless" button.
  16. Click on the "Restart" button.

3. Update your drivers

  1. Go to device manager and locate the device that is giving you the fortnite error code 91.
  2. Right-click on the device and click on update driver.
  3. If you are using a windows operating system, then select from the list of drivers that is provided to you.
  4. If you are using a mac operating system, then you will need to go to the menu bar and select system preferences, then select device management.
  5. In the device management window, locate the device that you just updated the driver for and click on the update button.
  6. Once the driver has been updated, restart your computer.
  7. If the error code 91 still persists, then you will need to go to a professional to fix it.

4. Reinstall Fortnite

  1. Launch the Fortnite installer from the game's main menu.
  2. Click on "Install Fortnite" and follow the on-screen prompts.
  3. When the installation is complete, launch the game and click on "Play" to begin.
  4. If you experience any issues, please refer to the "Troubleshooting" section below.

5. Delete the Fortnite folder in your Documents folder

  1. Open your documents folder.
  2. Locate the fortnite folder.
  3. Right click on the fortnite folder and select Delete.
  4. Click on Yes when prompted.

6. Verify your game files

  1. Open up Fortnite and sign in.
  2. Go to "Settings" and select the "Account" tab.
  3. Under the "Account Details" section, make sure your Epic Games account email and password are correct.
  4. If you're having trouble logging in, make sure you're using the correct Epic Games account email and password.
  5. If you're still having trouble logging in, try resetting your password.
  6. If you're still having trouble, you can try reinstalling Fortnite.
  7. If you're still having trouble, you can try verifying your game files.

If you didn't find success with an option above, then try:

  1. Run Fortnite as an administrator
  2. Disable your antivirus software
  3. Add an exception for Fortnite in your firewall