Fix: JavaScript error occurred in the main process [Discord]

Teodor Nechita
by Teodor Nechita
Software Managing Editor
Last update:
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  • Sometimes when starting a chat app like Skype or Discord, you can face various errors.
  • A javascript error occurred in the main processes is one of the issues you may encounter.
  • You can find solutions for many browser issues in our Browser troubleshooting section.
  • In our Web app hub you can find more related articles, so don't hesitate to check them out.
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If you’re an avid user of online chatting apps such as Skype or Discord, there’s a chance you may encounter errors. Such an error is A Javascript error occurred in the main process.

This issue doesn’t happen for a specific reason, but thankfully all the solutions are fairly simple to follow.

What causes this JavaScript error?

  • Your program or its settings may have gone corrupt
  • The Quality Windows Audio Video Experience service is deactivated
  • Your app runs with administrator permissions

How do I fix JavaScript error in main processes?

The error that sounds something like this:


1. Re-install your program

Note: In this first situation, your program’s installation is faulty, so you either have to reset its settings or re-install the app. To do this, just follow the steps below:

  1. Press the Windows key or the Start button.
  2. Type in the name of the program, like Skype or Discord.
  3. Right-click on it and select Uninstall.
  4. Once that is finished, download the latest version again from the publisher’s website.

Note: If you are dealing with a stubborn application and have issues uninstalling it, you can use IObit. It is an uninstaller software that will help you to get rid of any unwanted program.

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2. Delete your program’s folders from %AppData folder

Note: This is similar to the steps above, except you manually delete all of the program’s data from your PC.

  1. Open Windows Explorer by pressing Windows + E keys.
  2. Select This PC.
  3. Navigate to this location on your PC: C:Users/YOURUSERNAME/AppData/ROAMING/YourProgram
  4. Right-click the program‘s folder and select Delete.

If you get an error message stating that the program can’t be deleted because it is in use, enter the Task manager and end it first.


3. Start Quality Windows Audio Video Experience service automatically

  1. Press Windows + R.
  2. Type in services.msc.
  3. Scroll down the list until you see Quality Windows Audio Video Experience.
  4. Right-click it and select Properties.
  5. In the Startup Type drop-down menu, select Automatic.

There is a slight chance you may get an error labeled:

Windows could not start the service on Local Computer. Error 1079: The account specified for this service differs from the account specified for other services running in the same process.

If this happens, proceed as folowing:

  1. Press Windows + R.
  2. Type in services.msc.
  3. Scroll down the list until you see Quality Windows Audio Video Experience.
  4. Right-click it and select Properties.
  5. Go to the Log On tab.
  6. Click the Browse button.
  7. You’ll see an entry box labeled Enter the object name to select.
  8. Type your Microsoft Windows account’s name in it.
  9. Press Check Names.
  10. Wait for your name to pop up and press Ok.
  11. Type in your Windows account’s password in the Password box.

4. Run your program without administrative privileges

  1. Locate your program‘s executable.
  2. Right-click it and press Properties.
  3. Go to the Compatibility tab.
  4. Uncheck the box next to Run this program as an administrator.
  5. Press Ok

If you followed the steps closely, the issue should now be solved.

You may encounter the javascript error occurred in the main process for Discord or Skype app on a Mac computer. To solve it, you can uninstall the app, delete all the files related to it, and reinstall the latest version your app.

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