Firefox extensions removal

Had trouble today installing a fresh « Firefox 0.9 » version.
My last problem was triying to remove « pnh toolbar »:, wich did not show in the extension.
« Piro »: (the creator of TabBrowser Extensions, a.k.a. « TBE »: has a very good « Mozilla extensions uninstall help page »: (written forTBE, but works for all extensions), wich shows what I found myself, and more… Check also his « TBE FAQ »: & « forum »: