Microsoft Application Compatibility Toolkit

The Microsoft Application Compatibility Toolkit (ACT) version 5.6 contains the necessary tools and documentation to evaluate and mitigate application compatibility issues before deploying Windows 7®, Windows Vista®, a Windows Update, or a new version of Windows Internet Explorer® in your environment.

Security Update for Microsoft .NET Framework 3.5 Service Pack 1, Windows Vista Service Pack 2, and Windows Server 2008 Service Pack 2

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 complete 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 Microsoft .NET Framework 3.5 Service Pack 1 on Windows Vista Service Pack 1 and Windows Server 2008

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 complete 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 Microsoft .NET Framework 3.5, Windows Vista Service Pack 1 and Windows Server 2008

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 complete 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.