After installing xfce4 I have two task bars as depicted in the following image:
I wish to have a single black taskbar (the black one at the top), and not the white one behind the launcher. The white taskbar (at the bottom) is not configured using xfce4-panel. When xfce4-panel is killed- the white slidebars remains.
The Ubuntu version is 18.04.2
I tried to reset the xfce4 options, but it did not worked. What can be the problem?