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I can't see the titlebar anymore. The one with the close and minimize buttons, unless the window is in full screen. Here is an image:

My problem

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Your unity just crash. Log out and login again. Or run " unity --reset "(without quote) in terminal. Upgrade your unity package if it is a permanent problem. You can do this easily from synaptic manager. – shantanu Apr 10 '12 at 14:43
I think I've run into the same problem, I just haven't taken the time to try and permanently fix it. I was able to band-aid it by I think minimizing the window, or switching to another window and switching back. I don't recall what it was exactly but I've always been able to get the command bar to show again after a couple minutes of fiddling. A real solution would be great! – Jeff Welling Apr 10 '12 at 14:43

You have not mentioned the version of ubuntu and whether are you in unity. I assume that you are in unity as its a frequent problem in unity and ubuntu version is equal to or more than 11.04

  • Press Alt + ctrl + F1
  • Login using your username and password
  • Reset compiz by executing gconftool-2 --recursive-unset /apps/compiz-1
  • Reset unity , by executing unity --reset
  • Optionally you can reset launcher icons by executing unity --reset-icons
  • Press Alt + ctrl + F7 to get back to login screen. However I recommend a restart by executing sudo reboot

Probably you have set something wrong in compiz. If so include more details for help

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why should he reset the compiz settings? – shantanu Apr 10 '12 at 14:53
Most of the times wrong compiz settings cause unity to crash. – Web-E Apr 10 '12 at 15:08

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