CAN'T FIND ICON Rated 1 out of 5 stars

WORKS BEAUTIFULLY ON XP LAPTOP, BUT ON WINDOWS 7 I CAN NOT FIND OR INSTALL ICON EITHER ON TOOLBAR (ALONGSIDE OTHER ADD-ONS) OR INLOWER RIGHT BOX. IT SHOWS UP AS INSTALLED ON ADD-ON LIST.
WHAT GIVES?

This review is for a previous version of the add-on (2.1).