That is exactly the problem. I've just encountered it. Mike, when I right click & select properties on the advertisment that was blocked (same as the picture in reply #12), I get this:
res://ieframe.dll/sslnavcancel.htm#http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-4448800830832499&output=html&h=90&slotname=5234344937&w=120&lmt=1283304984&flash=10.1.82.76&url=http%3A%2F%2Fforums.army.ca%2Fforums%2Findex.php%2Ftopic%2C28805.450.html&dt=1283304976965&shv=r20100818&jsv=r20100830&correlator=1283304976968&frm=0&adk=388693378&ga_vid=1990564030.1283304977&ga_sid=1283304977&ga_hid=1070868617&ga_fc=0&u_tz=-180&u_his=0&u_java=1&u_h=1050&u_w=1400&u_ah=1022&u_aw=1400&u_cd=32&u_nplug=0&u_nmime=0&biw=1396&bih=814&ref=http%3A%2F%2Fforums.army.ca%2Fforums%2Findex.php%2Ftopic%2C28805.msg967748.html&fu=0&ifi=1&dtd=33&xpc=Q9zRHkAGoU&p=http%3A//forums.army.ca
... if that means anything to you.