Troubleshooting Discord fatal javascript error in Windows 10 Performing the following procedures will help eliminate every possible trigger and eventually fix the fatal javascript error in Discord.

We show you how to fix 'A fatal Javascript error occurred' issue while running or installing Discord on your Windows 11/10 PC.

To fix Script Error, An error has occurred in the script on this page in Outlook, Teams, etc. you will need to use the Internet Options in Windows 11/10.

Deleting the Discord data folders is the most common fix for Discord JavaScript errors when trying to start up the application.