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 ...

To fix the Oops, You’ve caught an ultra rare error in Discord, check Discord's server status and clear its cache data. Other than that follow these suggestions.