It's not as deadly as it sounds

Discord is a great platform for communities, whether it’s playing your favorite games, making friends, organizing meetups, and sharing ideas with like-minded individuals. You can use Discord in your web browser, but if you’re using the Discord desktop app, you may occasionally see a Discord fatal JavaScript error.

There are a number of reasons why this error could appear, from corrupt Discord configuration files to overactive antivirus software blocking it from loading. To fix a fatal Discord JavaScript error on Windows 10, here’s what you need to do.

When a Discord fatal JavaScript error appears, it’s not immediately obvious what’s causing it. In most cases, though, it’s caused by a corrupted Discord installation or another app or service (such as your antivirus software) that’s preventing it from running properly.