All my menus are highlighted like in the attached image.


I asked around and someone told me my gtk theme might be broken. However, I have no clue how to fix it. This occurs on my system menus, DE changer in the login menu, and most other programs.

  • Do you have the Gnome 3 (both, testing) PPAs activated? if you do, an update might just have happened, and yes the GTK Theme needs to be updated to reflect the changes – Uri Herrera Jun 20 '12 at 7:18
  • Both PPAs were activated. I'm not sure how to update a GTK theme though. – Anonymous Jun 20 '12 at 17:49
  • Yeah, happened to me too you''l have to use the gnome packages from Ubuntu or wait for the author to update the theme. – Uri Herrera Jun 20 '12 at 17:50

It's problem with unity-settings-daemon / gnome-settings-daemon. You can report a bug here.

  • On Ubuntu 14.04 and newer following command should fix problem (run it from a Terminal):

    sudo killall -9 unity-settings-daemon && unity-settings-daemon & disown
  • On Ubuntu older than 14.04 tou can try (run it from a Terminal):

    sudo killall -9 gnome-settings-daemon && gnome-settings-daemon & disown
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  • Thanks a lot, I was struggling with this for a month it fixed it. – Natim Sep 16 '16 at 18:56

As I commented, an update brakes compatibility with Themes.

So you'll have to remove the Gnome 3 Team PPA and the Ricotz testing PPA then downgrade the packages to the Ubuntu version.

Install ppa -purge to make this easier.

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In my case, for Unity I fixed this problem by deleting ~/.config/gtk-3.0 that I had left over from some earlier tweaking when still using 12.04.

With Xfce, I had this problem when using Settings / Appearance / ambiance-xfce-lxde theme that I got from http://www.ravefinity.com/p/ambiance-radiance-for-xfce-lxde.html

For Xfce, I fixed this by making a new theme with everything else from Ambiance, but the gtk-2.0 folder from ambiance-xfce-lxde:

cd /usr/share/themes
sudo cp -r Ambiance MyAmbiance
sudo cp -r ambiance-xfce-lxde/gtk-2.0/ MyAmbiance/

and then selecting MyAmbiance from Settings / Appearance.

Edit: Now on xubuntu-desktop on Ubuntu 16.10, and this trick still helps to fix some appearance issues when using the above theme.

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