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Firstly, open Task Manager and make sure no process related to Discord is running in the background. Then, evoke the Run dialog box by pressing the Win+R hotkey. Now, type %appdata% in the Open ...
While Discord is running, press CTRL+R on your keyboard. If an update is available, Discord should detect and download it. After the update has been downloaded, restart the app to install the update.
Redownloading a fresh install file from the Discord website and restarting the process from scratch should resolve your issues and replace whatever Java Script file that was broken before.
The Discord fatal javascript error is among the many issues encountered by Discord users on Windows 10. This error is typically encountered during the Discord app installation.
Can’t install Discord, installation has failed! If Discord installation has failed for you, it’s most likely because the app is still running in the background.
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.
Having connection problems with Discord? If you're receiving a 'bad network request' error, here's a guide to fix it.