On the next screen, find and delete the Discord folder. After deleting the folder, redownload and install the Discord program on your computer. Other Suggestions ...

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

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.

Re-register the JavaScript dll file. Reinstall Skype, Discord, etc, app that is having problems. Now let’s see how you can apply this solution (s) in practice.

For router error, restarting routers or switching the network can help. However, the current outage seemingly stems from an outage on Discord's server, and a fix will come from their end.