Some of this features includes instant messaging scanning, script blocking and POP3 and SMTP email protection. Unfortunatelly, Norton does not provide protection from P2P or other file sharing transfers. Norton provides excellent protection agains many viruses founded in e-mail, also it works good against Trojan horses, and SMPT worms. In default settings, your computer will receive updates every week. However, new updates available every day.
After all, Norton AntiVirus 2007 is really good program for its price. Hopefully, their next release will provide protection from P2P or other file sharing transfers.