If I may, I too recommend a firewall. Try ZoneAlarm ,it's free. <A HREF="http://www.zonelabs.com/store/content/company/products/znalm/freeDownload.jsp?lid=zadb_button" target="_new">http://www.zonelabs.com/store/content/company/products/znalm/freeDownload.jsp?lid=zadb_button</A>