[Bug 1332543] Re: Software updater window only showing title bar

[Mike Miller]

Sorry if you use the Ctrl+alt+F key you will need to use 
ctrl+alt+F7 
to get back to your X Server Console.  

Again it may actually be Ctrl+Alt+F7 OR Alt+F7 OR Ctrl+Alt+F8 OR Alt+F8
it just depends on what exact version you are using of Ubuntu as to how
you will accomplish this.

Source:
http://askubuntu.com/questions/157617/reverting-from-ctrl-alt-f1

Sorry about not adding this to my last comment, but wanted to make sure
I provided the info for how to get back to your standard X Server
console :-) .

If all else fails you can issue:

sudo shutdown -r now

>From any console and this will cause your system to do a proper restart
right away with NO wait.  Once restarted your machine should return you
back to your default X Server console should you lose your way.

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https://bugs.launchpad.net/bugs/1332543

Title:
  Software updater window only showing title bar

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 14.04

  The software updater applications will pop up when there are updates.
  But the window is just a title bar strip with the title text "Software
  Updater" and the X and -

  I have tried resizing it but the window size is locked.

  When I run apt-get update, I get two 404 errors - I'm not sure if it's
  associated with the bug though.

  W: Failed to fetch
  http://ppa.launchpad.net/openshot.developers/ppa/ubuntu/dists/trusty/main
  /binary-amd64/Packages  404  Not Found

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