You may have spyware on your system that does the 
popups.  Go to http://www.cnet.com and search on 
spybot a free download software program that 
removes spyware on your system, fixed the problem 
for me. I also had to do this for my computer at 
work, very embarasing. 
 
Downloads   
 
Spybot - Search & Destroy – Search your hard disk 
and Registry for threats to your security and 
privacy. Windows 98, Windows Me, Windows 95, 
Windows NT, Windows 2000, Windows XP