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

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.

A common issue many encounter is the JavaScript error message that reads, "A JavaScript error occurred in the main process," followed by a bunch of random file names.