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Home » How To » How to Fix the Discord Fatal Javascript Error
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How to Fix the Discord Fatal Javascript Error

Get your Discord up and running again with easy troubleshooting tips.
By Technical Master DeskOct 6, 2024 8:37 PMUpdated:Oct 8, 2024 3:15 AM
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Discord Fatal Javascript Error Fix

Are you facing the problem of getting a Discord Javascript error? Don’t worry; you are not the only user who has faced this issue.

Quite often, the users face a Discord fatal Javascript error appearing with the message “A fatal Javascript error occurred” or maybe with “A Javascript error occurred in the main process.” It happens when try the launch the Discord application. Thankfully, there are a few ways by which you can try to fix this fatal Javascript error on Discord.

  • Related: Discord Direct Message Won’t Go Away: Quick & Easy Fixes

1. Delete Discord Files in AppData and LocalAppData

You probably already know that apps save some temporary files on your computer to help everything run smoothly. But sometimes, the temp files can get messed up and cause issues with the app. If you’re running into a Discord Javascript error, one thing to do is delete those temporary files.

Follow the below steps to do this process:

  • First, head over to the Task Manager and close the Discord app if it is already running.

AppData-Folder-Location

  • Find Discord files in the AppData folder, there are two ways to do that.
  • First, type ‘Run‘ in the bottom search bar of Windows and select the Run app from the results. The shortcut key to open this Run box is “Windows key + R.”

AppData Folder

  • Either way, a small pop-up box will appear, now type %appdata% in the Run box and hit Enter or click on OK. After this, the AppData folder will open. You need to locate the folder Discord and delete it.
  • Another method to reach the AppData folder is by moving to this location: C:\Users\YourUserName\AppData\Roaming
  • After deleting the folder, close the window and open the Run box again. This time, type %localappdata% and again click OK or hit the Enter key.
  • You will see a Discord folder there, delete this folder as well and close the tab.
  • After confirming that all files are deleted, restart the computer and run Discord by following the installation wizard steps.

2. Run Discord as an Administrator

Running it as an admin grants it more privileges and permissions, which might smooth things over.

Here’s how to do It:

  1. Right-click on the Discord shortcut or icon.
  2. Click on Properties.
  3. Go to the Compatibility tab.
  4. Check the box that says Run this program as an administrator.
  5. Hit Apply, then OK.

Now try running Discord again. Sometimes, all it needs is a little more power to overcome that pesky JavaScript error.

3. Disable Your Antivirus

Your antivirus is meant to keep your system safe, but sometimes it acts like an overbearing parent—blocking Discord files because it thinks those files mean harm to your system.

  • Temporarily disable your antivirus software by finding the “Disable Protection” option. It varies depending on the Antivirus software.
  • Try running Discord again and see if the error persists.

If Discord works without a hitch, you’ve found the culprit. Consider adding Discord to your antivirus’s “exception” or “whitelist” list so it stops treating it like an unwelcome guest.

If the problem’s solved, don’t forget to re-enable your antivirus right after. We don’t need malware crashing our gaming party.

4. Check Your Antivirus Blockage

If you suspect your antivirus is causing the error but disabling it didn’t solve the problem, the next step is to dig into the antivirus’s “quarantine” or “virus chest.” Sometimes, your antivirus puts files there just to be safe, and those files might be exactly what Discord needs.

  • Open your antivirus and look for its quarantine or virus chest section.
  • If you see any Discord-related files (like update.exe), restore them, or mark them as safe.

You can also add Discord as an exception so that the antivirus doesn’t block it in the future. This should stop any future “false alarms” from ruining your chatting fun.

5. Tweak the Quality Windows Audio Video Experience Service

The “Quality Windows Audio Video Experience” service is linked to how your system handles audio and video processing. If it’s not running properly, it can interfere with how Discord manages its audio and video components, triggering a JavaScript error. Changing the settings for this service can help resolve the issue.

  • Press Windows + R and type services.msc, then hit Enter.
  • Scroll and find Quality Windows Audio Video Experience in the Services window.
  • Right-click on it and select Properties.
  • In the General tab, click Stop.
  • Set Startup type to Automatic.
  • Go to the Log On tab and click Browse.
  • Enter your Windows account name, click Check Names, then OK.
  • In the General tab, click Start.
  • Click Apply and OK.

Once you’ve followed these steps, try launching Discord again. If the Quality Windows Audio Video Experience service was causing the JavaScript error, these steps should help get everything back on track.

Read more: How to Fix Nvidia GeForce Experience Error Code 0x0003

6. Reinstall Discord

If nothing else works, reinstalling Discord is the final resort. Reinstall works most of the time in case of software problems.

  1. Hit the Windows + R keys to open the “Run” dialog box.
  2. Type appwiz.cpl and hit Enter. This will open up the “Programs and Features” section.
  3. Find Discord in the list, right-click it, and choose Uninstall.
  4. Once it’s uninstalled, go to Discord’s website and download the latest version.

Reinstalling helps when some files don’t download correctly the first time or if there’s some general corruption in the installation. Basically, we’re giving Discord a fresh start—just like moving on from the bad roommate.

That concludes our discussion! Those as mentioned above are the best ways to resolve the fatal Javascript error on Discord. These strategies are not limited to Discord Javascript errors. Any problem you face related to Discord, apply these fixes, and we hope that your mistake will resolve.

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