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

If Discord is fully updated but you continue to receive the JavaScript error occurred message, the next thing that you can do is to close the app and its related processes via Task Manager.

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.