How to fix critical Fortnite errors?

Fortnite has a ton of different bugs that get in the way of playing. Even worse, some of them are critical – they do not allow the game client to start at all or are thrown out at the boot stage. They are different, some are accompanied by error messages. There are also those that say “there was a critical error, we’re sorry” or “crash reporter”. Here’s everything we know about the issue and how to fix it.


  • How to fix critical Fortnite errors?
    • 1) Update drivers
    • 2) Disable overclocking
    • 3) Anti-cheat recovery
    • 4) Change the registry key
    • 5) Change config
    • 6) Disable fullscreen optimization
    • 7) Check game files

How to fix critical Fortnite errors?

If a critical error occurs, then the operating system has some kind of problem, because Fortnite is adapted for all Windows versions and hardware configurations. This may be due to driver problems, overclocking, system anti-cheat, incorrect registry settings, and some other glitches. We will try to sort out all the known problems in order.

1) Update drivers

The only thing to be said here is to download drivers only from the official AMD and Nvidia websites. Only in this case you can get a really fresh and working version of the software.

2) Disable overclocking

At higher frequencies, the computer is unstable, you should return the video card, processor and RAM to their factory values.

3) Anti-cheat recovery

The anti-cheat protection system called BattlEye works well enough, but sometimes it still has problems launching. Restarting the service should work.

How to do it:

  1. Open the location of the Fortnite game files.
  2. We go along the following path \ Fortnite \ FortniteGame \ Binaries \ Win64 \ BattleEye.
  3. Run the Uninstall_BattlEye.bat file in the last folder.
  4. Restart the computer and use the Install_BattlEye.bat file again.

After reinstalling, we can either confirm or deny the issue with BattlEye.

4) Change the registry key

Inappropriate TDR (Timeout Detection and Recovery) settings may cause the game to crash. If the video card took a long time to send a response, an error appeared and the process ended with an error. This limitation can be turned off:

  1. Launch the registry editor (by searching for the regedit file).
  2. We go along the path HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ GraphicsDrivers.
  3. In the GraphicsDrivers directory, look for the TdrLevel parameter. If it was not possible to find it, then we create it manually by clicking on the free space on the panel on the right and using the “Create” option.
  4. For the TdrLevel element, set the value to 0.

5) Change config

It is often possible to fix the problem by making only one change to the configuration file. It may not help, but it’s worth a try.


  1. Go to AppData (command for the Run line), and then Local / FortniteGame / Saved / Config / WindowsClient.
  2. You should see only one file, and open it with notepad.
  3. Find the line bPreferD3D12InGame and set the value “= False”.
  4. Save the file and go to its “Properties”.
  5. Set the “Read only” checkbox and click on the “Apply” button.

6) Disable fullscreen optimization

Some users have resolved the critical error issue in Fortnite after disabling fullscreen optimization and setting compatibility mode. This is what the process looks like:

  1. Open the Fortnite folder and then go to FortniteGame \ Binaries \ Win64.
  2. Right-click on the file and select “Properties”.
  3. Go to the Compatibility tab and activate the Disable Full Screen Optimization item.
  4. We set the flag in the “Compatibility mode” line and check Windows 8, 7. Perhaps Fortnite will work more stably in one of them.

7) Check game files

Helps with Fortnite file issues, implemented through Epic Games. On the “Library” tab, you need to click on the 3 dots next to the game and select “Check”.

Hopefully this Fortnite Critical Error won’t bother you anymore. For any outcome of the listed operations, I would like to know the result. This may help the following readers.

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