I don't use that extension myself any longer, so I am not familiar with its current state. There is a an explanation of how it works on the download page. https://addons.mozilla.org/en-US/firefox/addon/status-4-evar/ There is a user support thread for it over here: http://forums.mozillazine.org/viewtopic.php?f=48&t=2001965&start=2160 ''Linked to the newest postings. "Go back" to see other postings until you find your answer.''