• When you launch Discord on your machine, the A JavaScript error occurred in the main process typically occurs.
• There are various approaches to address this issue.

1: UnInstalling the Discord and Reinstalling the Discord.

• Go to the Control Panel, search for Programs and click on Uninstall a program.
• Again, visit the official website of Discord and Download Now.
• You can use software like Revo Uninstaller.

2: Remove the Discord directories in AppData and LocalAppData.

• Select the Run box.
• In the Run window, enter %appdata% into and click on the Run button below.
• Find the folder named Discord and Delete the folder.
• In the Run window, enter %localappdata% into and click on the Run button below.
• Find the folder named Discord and Delete the folder.