Windows update keeps telling me ERROR 66 has what it means?

That means the ERROR 66 has? I'm trying to update security for Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 for x 64 systems (KB2160841)

Download size: 3.6 MB

You may have to restart your computer for this update is taken into account.

Update type: Important

A security issue has been identified that could allow a malicious user to compromise your Windows system running the Microsoft .NET Framework and gain control full top. You can 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

See the Srinivas R response to a previous post about the error code:

http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/31151006-dfd4-4B93-85EC-26ac470df87c >

03/30 / 1103:49: 40 pm

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