Recently I had a problem with my MS Exchange server, and I'm tired of windows crashing every two days so I installed Ubuntu Server ver. 10.04. But I'm new for Linux so I wanted to install The GUI part But every time I tried it has an error message of 'E: Package could not found.' I even tried all the commands that are avelabel on the net like " sudo apt-get install ubuntu-desktop" AND EVEN I TRIED sudo apt-cdrom add, but still the error appears.
any body has an idea what is the problem?
Thanks in Advance for the Help.