Small Business Server 2000 Service Pack 1a (SP1a) includes updates that have occurred for the operating system, server applications, and security features since the general product availability in April 2001.

Windows® XP Service Pack 3 (SP3) includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system.

This installation package is intended for IT professionals and developers downloading and installing on multiple computers on a network. If you're updating just one computer, please visit Windows Update at http://update.microsoft.com .

This example, a simple checkbook and ledger application, is designed to acquaint you with some of Visio's capabilities in the creation and use of forms-based processing.

This update addresses the vulnerability addressed in Microsoft Security Bulletin MS03-041. Find out about more recent critical updates in the Overview section.

Unchecked Buffer in PPTP Implementation Could Enable Denial of Service Attacks (Q329834) for Windows XP Embedded with SP1

This update addresses the vulnerability addressed in Microsoft Security Bulletin MS03-045. Find out about more recent critical updates in the Overview section.

Transform for using Active Directory to install Visual Studio .NET 2003

This update addresses the vulnerability addressed in Microsoft Security Bulletin MS03-039 (Blaster and its variants). Find out about more recent critical updates in the Overview section.