Happened to me. shutdown ... restart resolved the problem. I have no idea what precipitated it but will watch for it more carefully from now on. It didn't affect a few other programs I tried - just Gedit.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/764180 Title: Icons for running applications do not appear on launcher To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/764180/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs