I used to have ad blocker plus and it worked great. The icon was on the tool bar. Two days ago I upgraded to Firefox version 45 and ad blocker plus disappeared. I've tried to reinstall it, and when doing so I'm getting a message that says Firefox is blocking it--and it asks me if I want to "allow" it. I click "allow", the run bar completes and it says that ad blocker plus is installed. But it doesn't appear on the tool bar nor do the ads stop appearing. Pretty annoying. Is there anything I can do to get ad blocker plus working with this version of Firefox? Thanks.