[opensuse] Taskbar in KDE

I have apparently a taskbar (empty) that sits in one account and I do not manage to close it. How is it possible to list all open taskbars in a user account under kde? Is there a kind of taskbar manager? Thank you. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org