No matter what I do, when I go to the add-ons page, and try to set the options using the options button in the list of plug-ins, extensions, etc. Firefox will freeze and has to be forced closed, then restarted, and still can't be used? I am not getting hung while the list is populating. After the list comes up, you have the buttons for enable, disable and on many an options button, it is when I try to set the options (push the options button) that firefox freezes.