I am facing a problem related to corrupted gtk theme for certain applications. My default theme is Ambiance under Unity. It works fine for most applications like Chrome, Firefox, Nautilus, etc. However, for certain applications such Gnome tweak tool, Ubuntu Tweak, etc. the gtk theme is completely black and dark. That is the background window color, making viewing the window text very difficult.

This is happening with Gnome shell also. I have tried resetting gnome and Unity settings, reinstalling light themes, but it didn't work.

A snapshot of how Ubuntu Tweak looks.

Also, note that I do not face this issue while using other themes such as Adwaita.


This problem is no longer valid after upgrades.

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