I've never seen this myself, but there can be two reasons: 1) zeitgeist-daemon is not running - in this case you should be able to see some messages about this on stdout if you run the apps place daemon manually
2) It's a bug in Unity's rendering layer - in this case you need someone from the shell team to track it down -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/662623 Title: [dash] In applications place 'Most Used' group is sometimes not visible -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
