If you receive A JavaScript error occurred in the main process, Uncaught Exception message when you try to open apps like Skype, Discord, etc, in Windows 11/10, then ...

Luckily, like many other software errors, you can try several solutions to troubleshoot the Discord JavaScript error on Windows.

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

What causes the Discord fatal javascript error in Windows 10? The Discord fatal javascript error is among the many issues encountered by Discord users on Windows 10.