100% Solution Fixed A Discord Fatal Javascript Error 2021

Discord is a popular platform where you can talk to other people (both friends and strangers) via text, voice, and/or video chat in real-time, on your smartphone or PC.

It was launched almost four years ago as a way for gamers to interact while playing.

However, have you experienced a discord fatal javascript error while using the Discord desktop app? If your answer is “often”, don’t worry, you aren’t the only one.

Having said this, it seems that this problem is surfacing more often as a result of Discord’s almost limitless popularity.

As a result, we have decided to put together these simple, step-by-step guidelines to help you address the issues that are preventing you from downloading and using Discord.

Let’s not waste any more time and get right to fixing the fatal javascript error discord!

How To Fix Discord Javascript Error 100%

Why does Discord have a fatal javascript error?

When a Discord fatal JavaScript error occurs, the cause of the error is not always clear. In the majority of the cases, though, it’s due to a corrupted Discord installation or a third-party application or service (such as the antivirus software) preventing it from operating properly.

Most users would be able to resolve the problem of fatal javascript error discord by restoring or reinstalling the application, however, if the cause of this error is another third-party app or service, you’ll need to search a little more to ensure that Discord will install and run properly.

How to fix a Discord Fatal Javascript Error 2021

  1. Uninstall & Reinstall the application
  2. Delete and Regenerate Discord Appdata
  3. Use the Discord app as An Administrator
  4. Check-in on the Antivirus software

Solution 1: Uninstall & Reinstall the application

When a fatal JavaScript error discord occurs (or even any other form of Discord error), the obvious next move is to properly uninstall and reinstall it. This should prevent any corrupted files from interfering with Discord’s ability to work.

  • First, go to the menu of Windows Settings to uninstall Discord. To do so, right-click the Start menu and choose Settings.
  • Pick Applications from the Windows Settings menu. After that, go to Apps & features. From the search bar, locate Discord or scroll down until you see it mentioned. Once you’ve found it, pick it from the chart, then choose Uninstall and confirm the same.
Uninstall & Reinstall the application
  • Let the Discord uninstallation process finish. After that, go to the Discord website and from there, download the most recent version of the Discord desktop app for your device.
  • Run the Discord installer after it has been fully downloaded, and adhere to other on-screen instructions (if any) to finish off the installation process.

All existing Discord files will be replaced, but there’s a possibility that some of the remaining temporary files (like the corrupted ones) may not be removed.

If you’re still having the issue of discord a fatal javascript error occurred after reinstalling Discord, ensure the AppData folder has been deleted before proceeding with the reinstallation. This brings us to our second solution.

Solution 2: Delete and Regenerate Discord Appdata

When you’re using the Discord desktop app, it saves files on your device to work properly. This data contains configuration settings, cached thumbnails, usage files, and a lot of other information.

It does so to ensure that the app loads quickly and easily every time you reopen it. And in case this data becomes corrupted, Discord can become ineffective and cause a fatal javascript error discord.

In this situation, uninstalling Discord’s AppData folder can help to regenerate the app configuration and also wipe out any temporary files.

To do the same, follow the steps below:

  • Firstly, open Windows File Explorer type %appdata% in the top navigation bar and press the Enter button. This will open your Windows user account’s AppData folder.
Delete and Regenerate Discord Appdata
  • Search for the Discord folder in the AppData folder. Click on Delete from the context menu when you right-click the folder. Before you do this, make sure Discord isn’t operating. In Windows Task Manager, check for the discord.exe process too.
  • This will take the Discord AppData to your device’s recycle bin. To ensure that the files are completely deleted from your computer, right-click on the icon of Recycle Bin on your desktop and choose Empty Recycle Bin.

Discord will immediately regenerate a fresh folder of configuration files once the Discord AppData folder is deleted.

This will also require you to sign in with your Discord account again. For most of the users, this should fix the problem of Discord a fatal javascript error. However, in case it doesn’t, try the other steps mentioned below.

Solution 3: Use the Discord app as An Administrator

If the Discord desktop app isn’t operating properly and a fatal javascript error discord is occurring, it may be due to a problem with user permissions.

Though Discord is designed to run on regular Windows user accounts, running it with the help of administrator privileges will not affect anything.

  • Firstly, you’ll need to open Windows File Explorer. Navigate to the C:\Users\username\AppData\Local\Discord folder from the search bar and replace the ‘username’ with the folder of your user profile.
  • Numerous numbered files can be found in the Discord folder. These folder names apply to different versions of the Discord desktop application versions that are currently available. Either open the one with the latest Date Modified date or the one that has the highest number.
  • Right-click on Discord.exe in the folder you chose and choose Properties.
  • Choose the option of Run this program as an administrator in the Compatibility tab of the Properties window. Click the OK button to save the changes.
Use the Discord app as An Administrator
  • In Windows File Explorer, double click on Discord.exe to use it after you’ve allowed the app’s administrative privileges. To allow Discord to operate, you will need to approve the User Access Control pop-up by selecting Yes. If you’re using a regular user profile at the moment, now for a Windows administrator account, you will also need to include the username and password.

If any app or service is interfering with Discord’s functionality and causing discord a fatal javascript error, running it with administrative privileges must resolve the issue.

The only exception is the case where you have antivirus software installed on your device that prevents Discord from operating properly.

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Solution 4: Check-in on the Antivirus software

The Discord desktop app operates directly from the AppData folder, unlike other usual apps. Each version of this app is viewed as a temporary installation.

This being said, an update file (update.exe) runs first on the device to ensure that the most recent version of Discord is automatically installed.

Check-in on the Antivirus software

When a third-party software, precisely, the antivirus protection is installed on your computer, the AppData folder can be subject to additional restrictions since it is a secure system folder.

Antivirus software may also act as a hindrance when you’re trying to make a fresh installation of the Discord desktop app and cause a discord fatal javascript error.

Since these antivirus software settings can differ from device to device, you’ll want to directly double-check the settings of your antivirus software to make sure this isn’t the case.

If your antivirus software is the cause of your discord fatal javascript error, make sure that you add Discord to the “enabled” list so it can run without interruption.

Final overview

This concludes our discussion of how to resolve the discord fatal javascript error. The solutions mentioned above are the most common methods for resolving the issue of discord fatal javascript error when installing and using the app.

The best part is that these solutions aren’t just for dealing with Javascript errors. Even if you’re having a different issue with the app, you can try the solutions above and they’ll solve the problem most of the time a fatal javascript error has occurred discord.

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Hi, I'm Manish Mishra, founder of GamingFreak. A blog that provides authentic information regarding Games Updates, Gaming Guide, Upcoming New Games News, and Become Noob To Pro in league of legends - Wild Rift, Mobile Legends & Champions Legion.

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