tell your admin he's an idiot :)
or better, don't tell him anything and install firefox without admin rights (not needed, you can install it to any directory without special rights)
(verberg) Houdt uw Postbus schoon door belangrijke berichten te archiveren en regelmatig de Verwijder-alle-berichtenknop in uw instellingen. (pauloaguia) (laat alle tips zien)