I also have this issue on Oneiric. The only application that does this, at least the only one I noticed, is Libreoffice Impress. When this happens to me, the window also displays the global menu of nautilus (for some reason) and the Impress icon disappear from the launcher.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/750186 Title: Window has no close/minimize/unmaximize buttons when it opens maximized To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/750186/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs