The links don't appear to be working properly. So here they are in text format.....sorry :0)
Ad Aware -
http://www.lavasoftusa.com/
AVG Anti Virus -
http://www.grisoft.com/
ZoneAlarm firewall -
http://www.zonelabs.com/store/content/home.jsp
NoAds popup killer software -
http://www.southbaypc.com/NoAds/
THE PopupKiller software -
http://software.xfx.net/utilities/popupkiller
Hope this helps.....
Paul