Install compiz-plugins-main-default by entering the following commands in the terminal:
sudo apt update sudo apt install compiz-plugins-main-default
Description:
transitional dummy package
This package ensures a clean upgrade path, and can be safely removed after the upgrade.
Homepage: https://launchpad.net/compiz
Version: 1:0.9.13.1+18.04.20180302-0ubuntu1
Section: universe/x11