Can't uninstall computer programs (Ubuntu)

Maybe the program didn't install well in the first place, or a virus damaged its files. To uninstall it, download the latest version of the program and install it, after which, you should be able to uninstall the program.

Programs that are part of the operating system cannot be uninstalled as they are important to the operating system. If the program you are trying to uninstall is one of them, you won't be able to remove it.

If you failed to uninstall the program through the software center, try uninstalling it through the terminal. To access the terminal and uninstall the program, follow the steps below:

1. Click the search icon in the upper left-hand corner and type terminal;
2. Type the following command in the terminal in order to uninstall the program:
   
   sudo apt-get remove --purge <package-name> , where <package name> stands for the program you want to remove.

Note: If you want to remove anything related to the app, type sudo apt-get purge <package-name>