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.

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 ...

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

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

Microsoft has confirmed that it won't provide an automated fix for a known issue causing 0x80070643 errors when installing recent Windows Recovery Environment (WinRE) updates.

Microsoft says the August 2025 security updates are triggering unexpected User Account Control (UAC) prompts and app ...