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.

If you’re running Discord on a Windows 7 machine, you can follow these steps to fix your fatal Javascript error: Click the Start button on the taskbar, or press the Windows key on the keyboard.