MSN Messenger is an instant messaging program that lets you send instant messages to your friends, and much more.

With Windows Live Messenger you can chat, swap photos, and see what’s new with the people you care about.

Microsoft Windows Messenger allows real-time communication with other contacts using instant messaging services.

One download, lots of great stuff. Windows Live Essentials gives you instant messaging, e-mail, blogging, photo editing, and more.

MSN® Messenger 4.0.1 for Mac makes it easy to take advantage of the full power of instant messaging. By using MSN Messenger, you can see when your friends, family, and coworkers are online and then communicate with them instantly.

IIS Lockdown Wizard version 2.1 works by turning off unnecessary features, thus reducing attack surface available to attackers. To provide multiple layers of protection against attackers, URLscan, with customized templates for each supported server role, is integrated into the IIS Lockdown Wizard.

A security issue has been identified that could allow an unauthenticated, remote attacker to compromise a system that is running Windows Messenger and gain access to information.

Search and Browse Smarter with Windows Live Toolbar. Windows Live Toolbar helps you to start a search from any Web page and get better protection against phishing scams and viruses. You can also personalize your Web experience with custom buttons and use Windows Desktop Search to instantly find information on your PC.

Messenger for Mac 6.0.3 makes it easy to take advantage of the full power of instant messaging, and it is a Universal application built to run on both PowerPC-based and Intel-based Macs. If you encountered a sign-in issue with Messenger for Mac 6.0, you should upgrade to Messenger for Mac 6.0.3.

The Threats and Countermeasures guide provides you with a reference to all security settings that provide countermeasures for specific threats against current versions of the Microsoft® Windows® operating systems.