I have two top panels in Ubuntu for some reason

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http://askubuntu.com – My ubuntu was working fine, then I moved my computer around, and when I brought it back, I now have two top panels like so: The smaller bottom panel still works somewhat, so it is not just a matter of it being drawn twice. It is a further a huge hassel as I can drag, for example, Google Chrome. Why is this happening and how can I fix it? Below, in this second image, you can see that the panel extends all the way down as well, creating a second wallpaper: The output of the command ps -ef | grep -i panel is username 2084 1 0 12:24 ? 00:00:09 /usr/lib/unity/unity-panel-servi (HowTos)