Security Update for Windows XP
A security issue has been identified that could allow an attacker to remotely read information about your Windows-based system. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Security Update for Windows XP
A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Security Update for Windows XP
A security issue has been identified that could allow an attacker to remotely compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Security Update for Windows XP
A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Cumulative Security Update for Internet Explorer for Windows XP
A security issue has been identified that could allow an attacker to compromise a computer running Microsoft Internet Explorer and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Security Update for Windows XP
Typical download size: 326 KB, 2 minutes
A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Windows Malicious Software Removal Tool - February 2005
After the download, this tool runs once to check your computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and automatically helps remove any variants found. After it runs, the tool is deleted from your computer. A new version of the tool will be offered every month. If you want to manually run the tool on your computer, you can download a copy from the Microsoft Download Center or run an online version from microsoft.com. In addition to using this tool, you should use an up-to-date antivirus product to help protect your computer from other malicious software.

Security Update for Windows XP
A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.
Quite a lengthy post, but important as it gives good guidance about why people must install the updates. Most companies are pro-active in releasing security updates, but none of these exploits are currently public and ravaging peoples machines.

Microsoft February Security Bulletins | Windows Update