7 Best Fixes For Discord A Fatal Javascript Error Occurred

Discord is an excellent community network for playing games, making friends, organizing gatherings, and exchanging ideas with like-minded people. On Windows 10 machines, many customers are experiencing the Discord fatal JavaScript error occurred.

7 Best Fix Discord A Fatal Javascript Error Occurred"

If you’ve ever seen the messages ‘A JavaScript error occurred in the primary process’ or ‘A fatal Javascript error occurred,’ you’ve seen this error. It’s not only terrible, but it’s also incredibly irritating.

What Causes A Discord A Fatal Javascript Error Occurred?

Discord fatal Javascript error occurred for a variety of reasons. It could be a faulty Discord installation or another program or service that prevents it from working correctly.

The Quality Windows Audio Video Experience service is currently unavailable.

This service is essential for the fundamental functionality of the application or app. If this service isn’t operating and the starting type isn’t automatic, this error appears.

Modified Discord settings

Incorrect Discord settings cause this issue. However, you may simply resolve this issue by resetting Discord’s settings.

Discord administrative permissions

This error is known to be driven by Discord running with admin access. Ensure that the Discord admin permissions are removed.

Solutions To Fix Discord Fatal Javascript Error Occurred

  1. Remove Discord Appdata Folder In Discord Folder
  2. Check Antivirus Blockage And Whitelist Discord
  3. Reinstall Discord
  4. Uninstall Or Disable Antivirus Software
  5. Run Discord Installer As Administrator In PC
  6. Change Startup Type Of “Quality Windows Audio Video Experience Service”
  7. Use Command Prompt (gpupdate)

1. Remove Discord Appdata Folder In Discord Folder

If you’re using the Discord desktop client, it will save files on your computer to function correctly. This data includes configuration settings, use logs, cached images, and other information to launch the program quickly when you reopen it.

  • You can remove Discord’s AppData folder to help rebuild your Discord setup (and erase any temporary files).
  • Open the Windows File Explorer program. Using the top-level navigation bar. Press the Enter key after writing %appdata% This will bring you to the Windows user account’s AppData folder.
Run %appdata%
  • Find the Discord in the AppData folder. Select Delete when you right-click the folder.
  • You’ll need to make sure Discord isn’t running before proceeding.
Delete all files discord
  • This will empty recycle bin with the Discord AppData folder.
  • To verify that the files are completely gone from your PC, right-click the Recycle Bin icon and select Empty Recycle Bin.
  • Discord will create a new set of configuration files for you, requiring you to sign in with the Discord user account again.
  • Restart the Discord and check if the “discord a fatal javascript error occurred” error is fixed or not.
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2. Check Antivirus Blockage And Whitelist Discord

Unlike most other apps, the Discord desktop software runs directly from the AppData folder. Each version of Discord is handled as a temporary installation, with an update file launched first to assure that the latest version of Discord is automatically installed.

  • Installing a third-party app on the computer may apply additional restrictions on the LocalAppData folder.
  • Antivirus software can sometimes prevent a new Discord installation from working correctly.
permit discord through firewall
  • Because third-party antivirus software settings sometimes differ, you should double-check the antivirus settings to ensure this isn’t the case.
  • If your antivirus software is preventing Discord, be sure to add it to the “allowed” list so it can operate without interruption. Also, “Add exception” for the Discord.
permit discord through firewall
  • Restart the Discord App and check if the “discord a fatal javascript error occurred” error is fixed or not.

3. Reinstall Discord

When Discord encounters a catastrophic JavaScript problem, the next option is to uninstall and reinstall it completely. This should stop any corrupted files from hindering Discord’s ability to function.

  • To do so, go to the Windows Settings menu. Right-click the Start menu and click Settings.
  • Select Apps, then “Apps & features” from the Windows Settings menu.
Apps & features
  • Use the search bar to see Discord or scroll down until it is listed.
  • Select it from the list once you’ve found Discord, then choose Uninstall, then Uninstall.
uninstall discord
  • Allow the Discord uninstall process to finish. Download the newest version of the desktop client for your platform from the Discord website.
  • Run the Discord setup file and follow any extra on-screen instructions to complete the installation.
  • Any existing Discord files will be replaced; however, any lingering temporary files, such as a corrupt AppData folder, may not be removed.
  • Before attempting the reinstallation procedure again, be sure the AppData folder has been removed.
  • Restart the Discord App. Check if the “discord a fatal javascript error occurred” error is fixed or not.
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4. Uninstall Or Disable Antivirus Software

In the background, antivirus software performs several checks and operations. It allows it to keep track of the system and prevents viruses or malicious files from infiltrating it.

Due to the possibility that these processes are causing the fatal JavaScript error occurred Discord in the system, you must disable Antivirus and then try to relaunch Discord. Now, see if the “discord a fatal javascript error occurred” error is fixed or not.

5. Run Discord Installer With Administrator Privileges PC

If Discord does not start, it might be due to an issue with user permissions. Standard Windows user accounts should be able to run Discord. Attempting to run Discord with administrator credentials enabled will not affect your computer.

  • Open Windows File Explorer and go to the C:\Users\username\AppData\Local\Discord folder, replace username with the user profile folder.
  • Various numbered folders can be seen in the Discord folder. The highest-numbered folder should be opened first.
  • Right-click Discord.exe in the folder you chose and pick “Properties.”
 Compatibility tab
  • Select the Run this program as an admin in the Compatibility tab of the Properties, then click the OK button to save.
Run this program as an admin
  • Double-click Discord.exe in File Explorer to execute it after you’ve enabled Discord’s administrator access.
  • Now check if the “discord a fatal javascript error occurred” error is fixed or not.

6. Change Startup Type Of Quality Windows Audio Video Experience Service

You can simply fix this Discord fatal JavaScript error occurred issue by making adjustments to the services. To correct this error, follow the procedures below:

  • Use Windows + R on the keyboard to search for “services.msc” and then click “OK.”
  • Look for “Quality Windows Audio Video Experience” in the search box. Right-click and select “Properties” from the menu.
Quality Windows Audio Video Experience
  • A pop-up window will appear. Select the Stop button from the menu.
  • Now, click on the “Start button” to resume the services.
start Quality Windows Audio Video Experience
  • Go to “Startup type” and select “Automatic.”
automatic start Quality Windows Audio Video Experience
  • Then click “Browse” after clicking “Log On.”
  • Check if the “discord a fatal javascript error occurred” error is fixed or not.
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7. Use Command Prompt (cmd gpupdate)

Users can utilize Command Prompt to immediately execute a command from the command line and update the system file. To fix the Discord problem using Command Prompt, follow the procedures outlined below:

  • To open taskmgr, press Windows + R together, write taskmgr, and then click the OK button.
  • In the Task Manager, select Discord, then click the End Task button.
  • Press Windows + R, type control panel in run utility, and then click the OK button to open the control panel.
  • Uninstall a Program can be found in the Control Panel.
  • Find Discord in the list, select it, and then hit the Uninstall button.
  • Go to the Local Data and AppData folders post uninstalling Discord. Discord should be removed from both files.
  • Pick Command Prompt (Admin) from the list by pressing Windows + X.
  • Write this command in the cmd (Command Prompt) and hit Enter.
    • gpupdate /force 
  • Wait for the process to finish before closing the Command Prompt.
  • See if the “discord a fatal javascript error occurred” error is fixed or not.


Here are the top 7 most popular strategies for fixing the Discord fatal JavaScript error occurred problem on Windows that most users have attempted. Hopefully, these solutions will work for you as well, and you should be able to use Discord without any issues after applying the changes.


Why Does My Discord Say A Fatal Javascript Error?

Another software or antivirus prevents Discord from working correctly, or your installation is corrupted. Users can also reinstall Discord or add it to their antivirus’s exclusion list.

How Do You Remove Javascript Error Occurred In The Main Process?

On a PC, a javascript error may occur in the primary process for the Discord program. You can fix it by uninstalling the software, deleting all related files, and reinstalling the most recent version of your app.

What Is Javascript Error In Discord?

A few antivirus programs have been reported to target specific Discord installation files and completely quarantine them throughout the process. The javascript error notice is caused by Discord’s inability to access them to complete the operation.

Why Am I Getting Discord Javascript Error?

The corrupted Discord installation is at fault, so either reset the app’s settings or reinstall it. This issue is caused by running Discord with administrator access, so ensure this option is off