Even when the theme has been changed to another one and the panel is once corrected, items may still disappear from the panel. For example, the "shutdown" item disappears quite often from my panel after I have used the computer for a while.
Even when the theme has been changed to another one and the panel is
once corrected, items may still disappear from the panel. For example,
the "shutdown" item disappears quite often from my panel after I have
used the computer for a while.