$ sudo apt-get update
$ sudo apt-get install libpolkit-gobject-1-0 

libpolkit-gobject-1-0 is installed in your system.

Make ensure the libpolkit-gobject-1-0 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libpolkit-gobject-1-0 *

You will get with libpolkit-gobject-1-0 package name, version, architecture and description in a table

libpolkit-gobject-1-0 package basic information: