If you receive A JavaScript error occurred in the main process, Uncaught Exception message when you try to open apps like Skype, Discord, etc, in Windows 11/10, then ...

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 ...

Deleting the Discord data folders is the most common fix for Discord JavaScript errors when trying to start up the application. Essentially, you'll be deleting what could be corrupt or broken ...