Deleting the Discord data folders is the most common fix for Discord JavaScript errors when trying to start up the application.

Troubleshooting Discord fatal javascript error in Windows 10 Performing the following procedures will help eliminate every possible trigger and eventually fix the fatal javascript error in Discord.

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.

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

A JavaScript error occurred in the main process message on Windows 11/10 Download Windows Speedup Tool to fix errors and make PC run faster ...