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

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.

If you see JavaScript required to sign in error when using OneDrive, Skype, Teams or Office 365 apps, enable JavaScript in Chrome, Firefox, Edge.