If you happen to bump into the same error while trying to install or using the Discord application on your Windows 10 computer, then this post highlights a few potential solutions for you to try on.

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

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.

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 ...