@KennyR
Block the outgoing connections using a firewall. Then you won't need to be paranoid anymore. Until you hear the screech of tires outside your house, that is...
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There was one server at work that did exactly that. Win2k wanted to update itself by connecting to internet, causing over 1000 hits to firewall per second.
Lermme tell you, the firewall's log was very booooooring to read :-)
Would never accept 2k here at home.. I almost compare it to Millennium. Yach.