I somehow managed to loose the ability of all my programs to resize on Ubuntu. Not sure what I did, but I thought I saw a popup open and being blocked in Firefox and after that all my programms opening like this screenshot:

stuck in popup mode

I can neither double click to expand nor close a program via the top bar because it's not there anymore.

Being a ubuntu beginner, what happened and more importantly, how do I switch back to normal programm size?


  • I am not sure how to return your window bars, but holding ALT and right-clicking and dragging a corner of the window should resize the window. – Andrew Stewart May 26 '14 at 17:40
  • I can drag but no resize. – frequent May 26 '14 at 17:41
  • Does it still act that way after a reboot? – Parto May 26 '14 at 17:41
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    There's a window manager called Metacity. It might temporarily reduce the functionality/eyecandy done by Ubuntu, but you will have some sort of buttons. Press ALT+F2 and type in metacity --replace. – Andrew Stewart May 26 '14 at 17:43
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    In the future, you may want to know a few keyboard commands in case it happens again. One good one is Alt-space will give you the system menu for the window, which can do several things, including close. And instead of rebooting, you can usually use Alt-F2 to enter the command gtk-window-decorator --replace, if using Compiz, or metacity --replace if not. – Marty Fried May 26 '14 at 17:53

Just reboot your system. That should do it.

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