Do you have a specific name for it - there's a number of likewise named items in there.
Buggered if I know. I was merely speculating about a cause, with maybe someone else having the solution.
Right click on the menu button and poke about in the configuration settings. That's all I've got.
I realize this doesn't seem like much help, but identifying the cause can be one of the most important steps in resolving an issue.

