Fix snapd returned status code 400: bad request [Linux Troubleshoot]

If you try to install some applications from Ubuntu Software Center, you might encounter this error: Detailed errors from the package manager follow: snapd returned status code 400: Bad Request This tutorial explains this snapd error and how to install the failing application using snap commands. You also get to learn a few things about snap packages. Text version of this video can be found here: https://itsfoss.com/snapd-error-ubuntu/