this is what the update says............


Security Update for .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 for x64-based Systems (KB2160841)

Download size: 2.5 MB

You may need to restart your computer for this update to take effect.

Update type: Important

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.

More information:
http://go.microsoft.com/fwlink/?LinkID=194969

Help and Support:
http://support.microsoft.com






ive tried to get it to install and it just wont do it.