This appears to be the same bug over at Debian – along with a solution, which is to do with incompatible versions of various pieces of software:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=617763 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/771929 Title: Window Decoration disappears after clicking on the top left icon To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/771929/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
