polkit-kde-1 software package provides KDE dialogs for PolicyKit, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install polkit-kde-1
polkit-kde-1 is installed in your system.
Make ensure the polkit-kde-1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep polkit-kde-1 *
You will get with polkit-kde-1 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | polkit-kde-1 |
| Version | 0.99.1-1 |
| Description | KDE dialogs for PolicyKit |
| Sub Section | libs |