This command solve my problem run in terminal " sudo update-manager". Now system works fine no - Update manager, PolicyKit Authentication Agent or restart errors/problems, and thanks to TheRacquetTech. My OS is Ubuntu 14.04.
This command solve my problem run in terminal " sudo update-manager".
Now system works fine no - Update manager, PolicyKit Authentication Agent or restart errors/problems, and thanks to TheRacquetTech.
My OS is Ubuntu 14.04.