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

Deleting the Discord data folders is the most common fix for Discord JavaScript errors when trying to start up the application. Essentially, you'll be deleting what could be corrupt or broken ...

How to fix Discord Javascript error? These are the solutions that you can try if get a Discord Javascript error occurred message when launching Discord, or after it crashes. Fix #1: Check for updates.