I had simillar issue that there was 2 xfce4 power manager running but no battery icon on the desktop with ubuntu 12.04 + xubuntu insalled on top it.
The solution from this link helped http://ubuntuforums.org/showthread.php?t=2036759
I had simillar issue that there was 2 xfce4 power manager running but no battery icon on the desktop with ubuntu 12.04 + xubuntu insalled on top it.
The solution from this link helped http:// ubuntuforums. org/showthread. php?t=2036759