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I recently upgraded from 14.04 to 16.04 LTS, and although the system works properly and is generally stable, there is an issue that bugs me.

For the windows that have a menu bar, it is always displayed, regardless of the value selected in the "menus visibility" setting. See figures below:

enter image description here enter image description here

On a different system that I also upgraded, the menu is hidden properly when the setting is selected.

What can cause this behavior? Is there anything that I can do to fix it?

I tried resetting my unity settings with unity --reset, with sudo apt install --reinstall ubuntu-desktop and with sudo apt install --reinstall unity with no luck.

The result of the dpkg -l indicator-appmenu command is:

$ dpkg -l indicator-appmenu
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
rc  indicator-appm 13.01.0+14.0 amd64        Indicator for application menus.
user000001
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1 Answers1

8

Your system is missing the indicator-appmenu package. Without that package you won't get the application menu on the titlebar in Unity session.

And reinstalling ubuntu-desktop package wasn't fixing the problem because for some unknown reason, this package wasn't included in the dependency list of ubuntu-desktop package for 16.04 (You can check it by using apt-cache depends ubuntu-desktop command).

So, to fix the issue, install the package with this command

sudo apt-get install indicator-appmenu
Anwar
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    Thanks so much, you nailed it! Installing the package and restarting the PC solved the issue. – user000001 Sep 19 '16 at 09:38
  • I have a very similar problem, but it only happens with GTK apps like terminal and nautilus... Other apps like the text editor, chrome, work with the global menu just fine... It's very annoying as it also breaks my desktop a little bit as the nautilus menu is displayed on top of the wallpaper... It doesn's happen for all the userids in the system tho, which makes it even more weird. Do you know what may be causing this? – tux1c Apr 27 '18 at 03:01