You're off topic for this forum, which is dedicated to Windows Live OneCare. You may want to try the Microsoft Public newsgroups here: http://support.microsoft.com/newsgroups/Default.aspx
I don't know what pop-up blocker uses that little fist, but you may want to check what add-ins are installed in your browser. Assuming it is IE7, Tools/Manage add-ons - disable any popup blocker listed or View/Toolbars to disable toolbars to see what may be doing the blocking.
-steve