I see what you mean now, I think it is normal, you can try to maximize window and you can see all other area is tranparent.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1644781 Title: Sushi-start fails with 16.10 upgrade, both Unity and Mate To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-gnome/+bug/1644781/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs