Fortunately, Debian-based Linux distributions, like Ubuntu, allow you to quickly uninstall most programs using the command line utility apt-get or a graphic user interface application like Ubuntu ...

Let us talk about them in detail. 1] By Command Prompt If you are a fan of commands then you can use Command Prompt to uninstall an app with a greyed-out Uninstall button in Settings.

It does not prevent users from using other methods to install and upgrade programs. Set your preference, click Apply, and exit. Read: How to uninstall Programs not listed in Control Panel.