Since the latest upgrade we've had a pop-up when we log into yahoo. We try to answer the question or try to close it and it will not go away. Can you help me with this?

Pop-up is: Do you use the Yahoo! Toolbar on multiple computers? You can access your yahoo toolbar from more than one computer simply by registering it to your yahoo id. Learn more.. Save to my Yahoo! id Or No, thanks just save to this computer.