Fix a Discord Fatal Javascript Error

How to Fix a Discord Fatal Javascript Error

In this post you will learn about how to fix a Discord Fatal Javascript Error and what are the causes of Discord Fatal Javascript Error in Windows 10? Step by step guide with pictures to resolve this issue. Discord is a fantastic platform for communities, whether you want to play your favorite games, make new friends, organize meetups, or share ideas with like-minded people. You can use Discord in your web browser, but if you use the Discord desktop app, you may encounter a Discord fatal JavaScript error from time to time.

This error can occur for various reasons, ranging from corrupted Discord configuration files to overactive antivirus software preventing it from loading. Here’s how to fix a Discord fatal JavaScript error on Windows 10.

Fix a Discord Fatal Javascript Error

What Causes a Discord Fatal JavaScript Error?

When a Discord fatal JavaScript error occurs, it is not always clear what caused it. In most cases, however, it is generated by a corrupted Discord installation or another app or service (such as your antivirus software) that prevents it from running correctly.

Repairing or reinstalling the Discord app will fix the problem for most users, but if another third-party app or service is causing an issue, you’ll need to dig deeper to ensure that Discord can load and run properly.

In this situation, follow the steps to troubleshoot Discord. Don’t forget that if the Discord app on your PC or Mac isn’t working, you can still access your servers via the Discord website or Discord mobile app.


Remove and Regenerate the Discord AppData Folder

If you’re using the Discord desktop app, the app will save files on your PC to function properly. This includes configuration settings, usage logs, cached thumbnails, and other data to load the app quickly when you reopen it.

If this data becomes corrupted, Discord may cease to function. You can delete Discord’s AppData folder that will help to regenerate your Discord configuration (and remove any temporary files).


1. To begin, launch Windows File Explorer. Next, enter %appdata% in the top navigation bar and press Enter. This will take you to the Windows user account’s AppData folder.

Discord AppData Folder

2. Navigate to the Discord folder in the AppData folder. Right-click the folder and then select Delete. Before doing this, make sure Discord isn’t running (including checking for the discord.exe process in Windows Task Manager You can check by pressing Ctrl+Alt+Del at the same time).

How to delete Discord

3. It will empty your recycle bin of the Discord AppData folder. To ensure that the files are fully removed from your PC, right-click the Recycle Bin icon on your desktop and select the Empty Recycle Bin option.

How to Empty Recycle Bin

Discord will regenerate a new set of configuration files automatically after removing the Discord AppData folder, forcing you to sign in with your Discord user account again. It should fix the problem for most users, but if it doesn’t, you’ll need to try one of the additional steps listed below.

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Remove and Reinstall the Discord Desktop App

If Discord encounters a fatal JavaScript error (or any other type of Discord error), the next step is to uninstall and reinstall it totally.

It should prevent any corrupted files from interfering with Discord’s ability to run.

1. To uninstall Discord, go to the Windows Settings menu. Now, right-click the Start button and select Settings.

Reinstall the Discord Desktop App

2. Choose Apps > Apps & features from the Windows Settings menu. Scroll down until Discord appears or search bar to find it. Once you’ve located Discord, please select it from the list and click the Uninstall > Uninstall buttons.

Uninstall Discord App

3. Wait for the Discord removal process to finish. Once that is complete, go to the Discord website and download the most recent desktop app version for your platform.

Discord website and download

4. Once the Discord installer has been downloaded, run it and follow any additional on-screen instructions (if any) to complete the installation.

Discord installation

A new Discord installation will overwrite any existing files, but it may leave any lingering temporary files, such as a corrupt AppData folder. So if you’re still having problems after reinstalling Discord, make sure the AppData folder has been deleted before reinstalling it.


Run Discord as an Administrator

If Discord fails to start, it may indicate a problem with user privileges. While Discord should run on standard Windows user accounts, running Discord with administrator privileges will not harm your computer. Also check for how to Fix a Discord Update Failed Loop


1. To begin, launch Windows File Explorer and navigate to the C:\Users\username\AppData\Local\Discord folder, replacing username with your user profile folder.

Run Discord

2. You may notice several numbered folders in the Discord folder (for instance, app- These folder numbers refer to the various versions of the Discord desktop app. Open the highest-numbered folder (or the latest Date Modified).

Date Modified Discord

3. Next, Right-click Discord.exe in the folder you chose and choose Properties.

Discord exe Properties

4. In the Properties window’s Compatibility tab, select the Run this program as an administrator option, then click the OK button to save.

Run this program as an administrator

5. After granting Discord administrative privileges, double-click Discord.exe in Windows File Explorer to launch it. To allow Discord to run, you have to accept the User Access Control pop-up by pressing the Yes button. If you’re currently using a standard user profile, you may also be required to provide the username and password for a Windows administrator account.

How to Fix a Discord Fatal Javascript Error by reinstalling

If another app or service is interfering with Discord’s operation, running it with administrative privileges should help fix the issue. The only exception is if you have an antivirus program installed that may prevent Discord from running in a sensitive user folder (such as your AppData folder).


Check Your Antivirus Isn’t Blocking Discord

Unlike most applications, the Discord desktop app runs from the AppData folder. Each version of Discord is treated as a temporary installation, with an update file (update.exe) running first to ensure that the most recent version is automatically installed.

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Antivirus Blocking Discord

However, because it is a protected system folder, the AppData folder may be subject to additional restrictions when a third-party antivirus is installed on your computer. While it is uncommon, antivirus software can occasionally prevent a new installation of Discord from running correctly.

Because third-party antivirus software settings can differ, you’ll need to double-check your antivirus settings to ensure this isn’t the case. For example, if your antivirus software is blocking Discord, make sure to add it to the “allowed” list so that it can run uninterrupted.


Using Discord on Windows 10

After you’ve resolved a Discord fatal JavaScript error on your PC, you can start using its features. First, please create your Discord server to start building your community, then expand it with Discord bots to add games, moderation features, and music capabilities. Also check How to fix Discord Screen Share No Audio

That is, of course, assuming you have successfully connected to Discord. If you’re still having issues with your Discord server, you might prefer to use a Discord alternative such as Teamspeak or Slack instead, depending on your use case.


FAQ To Fix a Discord Fatal Javascript Error

Here are answers to some most common questions to fix a Discord Fatal Javascript Error.

Q #1) Why is there a fatal Javascript problem in my Discord?

Answer: There are several possible causes for this error, some of which are described below:

  • Malware that has harmed the installation
  • Faulty configurations

Q #2) How do I fix the Discord Javascript error?

Answer: There are several methods for resolving the Discord error Javascript, some of which are described below:

  • Discord should be installed again.
  • Run the program as an administrator
  • Change the quality of audio Video Experience on Windows

Q #3) Why can’t I get Discord to uninstall?

Answer: The following are some of the factors at play:

  • Infected files or malware on the system
  • Faulty installation
  • Incorrect system setups

Q #4) What is the best way to troubleshoot Javascript in Chrome?

Answer: The actions listed below will help you troubleshoot Javascript in Chrome:

  • Inspect the webpage by right-clicking on it and selecting Inspect.
  • A side window will pop up.
  • Go to the Sources tab.
  • Find the Javascript file and open it.
  • To open the file, double-click it.
  • Reload the page after making modifications to the files.

Q #5) In Chrome, how do I unblock JavaScript?

Answer: By following the procedures outlined below, the user can activate JavaScript in Chrome:

  • Launch Chrome.
  • Open the settings menu and select “Privacy and Security.”
  • Select “Site Settings” from the drop-down menu.
  • Toggle the button to enable JavaScript in the browser by clicking on it.

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