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Unity has disappeared and every single solution I find ends in errors including or similar to

E: Sub-process usr/bin/dpkg returned an error code (1)

I can't install anything, and unless I'm doing something wrong it seems like I can't even reinstall Ubuntu. I have no idea how to fix the problem now, as I said, every solution I find comes in error.

  • We need to know for sure what version of Ubuntu you're using. Can you press Cntrl+Alt+F1, log in, and tell us what typing lsb_release -a gives you? (The line that says 'Description') – grooveplex Sep 18 '16 at 11:38
  • Edit the question and give full error message – Anwar Sep 18 '16 at 13:21
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If you can login and you got a empty desktop try right click on the wallpaper, open a terminal or hit ALT+F2. Then restart unity:

unity --replace

If the unity package is broken more information will be show in the terminal. If not then the desktop should load.

Ultimatley you can reinstall the whole unity desktop:

sudo apt purge ubuntu-desktop
sudo apt install ubuntu-desktop

Also you can install other desktop until you fix the unity:

sudo apt install gnome
  • I'm getting "Bus error (core dumped). – NautilusPsy Sep 18 '16 at 18:48
  • Uh, that error is kind of bad, it can be fixed but it may take hours/days of looking log files. I suggest you to reinstall the whole system if gnome does not working. – adaliszk Sep 18 '16 at 19:52
  • I tried but it just won't let me reinstall it. – NautilusPsy Sep 19 '16 at 1:44
  • @NautilusPsy If the live installer cannot load then your hardware is not compatible with ubuntu or your installer is broken. – adaliszk Sep 19 '16 at 4:53

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