Does this misbehaviour also occur if the affected user uses a KDE4 session rather than an Xfce session?
Do you happen to have a copy of the Xfce source code for the version of Xfce you’re running?
Does this misbehaviour also occur if the affected user uses a KDE4 session rather than an Xfce session?
Do you happen to have a copy of the Xfce source code for the version of Xfce you’re running?