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I upgraded to Ubuntu 11.10, then found that when I try to download the Gnome Desktop Environment from the Software Centre, I get the following message:

Package dependencies cannot be resolved.
The following packages have unmet dependencies: gnome
    Depends: gnome-core(=1:30+1ubuntu1) but 1:30+1ubuntu1 is to be installed.

I'm not offered the Gnome option when I right-click on the password screen.

I've tried the following commands, all gathered from the Web:

sudo apt-get install gnome-session-fallback restart
sudo apt-get install gnome-themes-standard
sudo apt-get install gnome panel

None has had the result of allowing me to get and use the Gnome Desktop. I'm a user, not a developer, and I only upgraded to 11.10 because I thought I would have that option.

What can I do?

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Ubuntu 11.10 uses Gnome 3 by default. You probably mean gnome-shell, or are you trying to install Gnome 3.2 from a PPA or something? – Jo-Erlend Schinstad Oct 20 '11 at 23:02
Nick, did the below solution worked? I also suggest trying sudo aptitude safe-upgrade first, then sudo aptitude full-upgrade, the last command will provide multiple solutions on how to solve dependencies problems. – Mirzhan Irkegulov Feb 25 '12 at 14:32

Take a shot at sudo apt-get install -f. Should fix missing dependencies, although I can't be certain I understand the problem.

Hope it helps!

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