For me this bug also affected Thunderbird and VirtualBox. Even pressing ALT+TAB it's not possible to see the window.
Apparently, any program could be affected by this issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/862171 Title: Running instance of Libreoffice writer disappears from launcher, but keeps running To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/862171/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs