With the release of Windows XP Service Pack 2 (SP2), Microsoft latest and most reliable corporate desktop operating system now provides better protection against viruses, worms, and malicious hackers. SP2 includes Windows Firewall, Pop-up Blocker for Internet Explorer, and the new Windows Security Center. But it still comes without a single page of printed instructions. This superbly written guide fills the gap. Coauthored by David Pogue, New York...