The same happens when you remap alt+tab to winkey+tab and try to walk through windows.
I had a very similar issue in KDE ages ago. Here's a link to that bug report: https://bugs.kde.org/show_bug.cgi?id=163732 ** Bug watch added: KDE Bug Tracking System #163732 http://bugs.kde.org/show_bug.cgi?id=163732 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/801073 Title: [dash] Dash is shown when pressing and releasing quickly super+KEY To manage notifications about this bug go to: https://bugs.launchpad.net/unity-2d/+bug/801073/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs