I installed windows sp2 through the microsoft update site.  The windows firewall won't turn on.  I get a message that says "Network administrator is using group policy to control settings"

 

Apparently, when I set up xp home edition it automatically treats my one, stand alone pc as part of a network.  Can this setting be changed?

 

Should I dump windows firewall as useless and try something else?

 

Please help!