This happens from time to time when closing applications. Nautilus (and desktop icons) lose the theme (default Ambiance here). To restore theming, restart Nautilus from a terminal:
killall nautilus ; (nautilus &) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/859723 Title: Nautilus appearance without colour or theme To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/859723/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs