p2pnetwork.exe search on google identifies as a possible virus called "W32/Rbot-ACZ" according to Sophos:
http://www.sophos.com/virusinfo/anal...32rbotacz.html
others have identified it as malware/spyware/etc...reccommend do a google...some freeware detected on my system...spybot S&D found it and isloated it, but was not blacklisted by spybot...hacked out of regestry myself, but no reccommended for everybody to try