I have next problem... I was delete some gnome packages ... and now ubuntu won't work . I log in and i cross with mouse over icons in slide-bar and name of icons stays but won't go away ... and desktop picture won't show up ... but 2d ubuntu work ok but my desktop won't responsding to left and right mouse clicks(marking,meny) ... ! And i can not see desktop icons but when i go in nautilus and go to home/desktop i see icons!?
Plus a windows shoh up and ask for password to report problem (must be some root part of system), and how to know is it safe to enter password(how to know is it some oficial part or program or some kind of virus)?
How to reinstall Unity to the latest version .Txk.
I was try
And this one without uninstall my nvidia driver from System settings.
sudo apt-get upgrade
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install ubuntu-desktop