Exactly same issue as the MAIN POST But the solutions given in that post didn't solve the issue.

I was working with VirtualBox 4.3.10 in Windows 8 with Ubuntu 14.04 as Guest. Once I upgraded to Virtualbox 4.3.12, then suddenly launcher and taskbar is missing. No Terminal working.

Please note, I have tried the options in the MAIN post. So this seems to be another kind of issue.

  • did you, after VBox upgrade also upgrade the guest additions? – Takkat May 31 '14 at 14:29
  • @Takkat, yes mate. – diaryfolio Jun 15 '14 at 14:26

This is how I got it to work:

Log in like normal. Press Ctrl+Alt+F1 to log in to TTY1.

Run the following:

sudo apt-get install compizconfig-settings-manager
export DISPLAY=:0

When you run ccsm it may hang and not return to the prompt. It doesn't matter. Just press Ctrl+Alt+F7 (or Ctrl+Alt+F8 sometimes) to get back to the graphical display where there should be a CompizConfig Settings Manager screen sitting there. Find the Unity plugin. Enable it. You will also have to enable all dependencies. Close ccsm.

Return to TTY1 by pressing Ctrl+Alt+F1

Run the following:

export DISPLAY=:0
dconf reset -f /org/compiz/ 
unity --reset-icons &disown

This may take a minute to run. When it is done run:

sudo reboot
| improve this answer | |
  • didn't work for me :( – diaryfolio Jun 15 '14 at 14:33

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