Deeply discussed and multiple posts about the issue.
Also, not exclusive a XP issue.
Please use the Search in the forums.
When you run Spybot this comes up From what I understand it's a false positive which I am told in simple terms ia an error in the program I have disable Spybot to find this as follows start=>all programs=>Spybot=>mode=>advanced=>settings=>ignore=>
products=>check DSO Exploit=>mode=>Advanced=>Default=>quit For those still uncomfortable with this try these http://grc.com/UnPnP/UnPnP.htm and http://www.nsclean.com/dsostop.html