$ sudo apt-get update
$ sudo apt-get install libqtdbus4 

libqtdbus4 is installed in your system.

Make ensure the libqtdbus4 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libqtdbus4 *

You will get with libqtdbus4 package name, version, architecture and description in a table

libqtdbus4 package basic information: