Security Update for Microsoft .NET Framework 1.1 Service Pack 1 on Windows XP, Windows Server 2003 (64-bit), Windows Vista, and Windows Server 2008

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A security issue has been identified that could allow an attacker to compromise your Windows-based system that is running the Microsoft .NET Framework and gain access to information. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.