Windows XP Service Pack 2 (SP2)

By alerting you to potentially unsafe attachments, Windows XP Service Pack 2 (SP2) helps guard your computer from viruses that can spread through Internet Explorer, Outlook Express, and Windows Messenger.

SP2 helps protect your private information by applying the security settings that guard your PC to the files and content downloaded using Internet Explorer.

Internet Explorer download monitoring and the Internet Explorer Information Bar warn you about potentially harmful downloads and give you the option to block files that could be malicious.

Internet Explorer Pop-Up Blocker makes browsing the Internet more enjoyable by helping you reduce the unwanted ads and content that pop up when you're browsing the Web.

The powerful, built-in Windows Firewall is now turned on by default. This helps protect Windows XP against viruses and worms that can spread over the Internet.

The new Windows Security Center allows you to easily view your security status and manage key security settings in one convenient place.

Enhancements to Windows XP's Automatic Updates feature make it even easier to access Windows updates. Plus, new technology has been added to help dial-up customers download updates more efficiently.

Improvements to Outlook Express help reduce unwanted e-mail by limiting the possibility of your e-mail address being validated by potential spammers.

The new Add-On Manager in Internet Explorer lets you easily view and control add-ons to reduce the potential for crashes and enjoy a more trouble-free browsing experience.

SP2 improves wireless support and simplifies the process of discovering and connecting to wireless networks in your home or on the road.

You can download SP2 and all future critical updates automatically by turning on the Automatic Updates feature in Windows XP.