Symantec?s Norton AntiVirus? 2004 is the world?s most trusted antivirus solution? ?now with expanded detection of both known and emerging threats. Norton AntiVirus detects and removes viruses, worms, and Trojan horses automatically? without interrupting your work. It works in the background 24 hours a day to protect email messages, instant message attachments, Internet downloads, and other files. Now it can also detect viruses in compressed file archives before you open them, reducing the risk of infecting your computer. Symantec?s exclusive LiveUpdate? technology automatically checks for new virus protection updates on a regular schedule to keep the program up to date against the latest threats. It now even alerts you when your virus protection is getting outdated. Norton AntiVirus also defends your PC against emerging threats. Script Blocking intercepts fast-moving script-based viruses such as ?ILoveYou? and ?Anna Kournikova,? and Worm Blocking stops worms from using your outgoing email messages to infect other computers. The expanded threat detection in Norton AntiVirus 2004 alerts you to the presence of spyware, keystroke loggers, and similar programs that can steal personal information and leave your PC vulnerable to other attacks. Stop viruses and protect your PC with award-winning Norton AntiVirus. Small Office Packs for 5 or 10 users are also available.