Every time the computer is shut down, it always says installing update do not turn off your computer

Failed:  1 update

Code 66A

Security Update for .NET Framework 4

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)

Installation date: ‎11/‎30/‎2010 11:18 AM

Installation status: Failed

Error details: Code 66A

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

Try this

1. Turn your computer off
2. Power on your computer and at the same time, keep tapping on F8 a few times
3. You will see Windows Advanced Options. Use the error key on your keyboard to go down to Safe Mode
4. Wait until it is done, then choose the option to Shut Down. You will see the same message come out on the screen.
5. Once it's done, power on your computer as how you normally do.

Let me know if the problem still persist.

Freak05

Hi jamesareone,

Have you tried using the steps provided by Ajay K?

I would suggest you to try the steps and check if they assist you resolve the issue.

Also do let us know the answers to the questions to assist you better.

Thanks,

Meghmala – Microsoft Support

Visit our Microsoft Answers Feedback Forum and let us know what you think

Every time I shut my computer down ; no matter how many times a day " message comes up loading 1 of 1

Hi Jamesareone,

What Version of Windows are you running on your computer?

In addition to Shenan Stanley suggestions, I would suggest you to try the following steps:

Step 1: Check Windows Update history for any pending update

1.   Click Startbutton > type in Windows Update In the search box and press enter

2.   Click on  View Update History on the left pane ****

3.   Check for any pending updates or unsuccessful updates

4.   Starting from the most recent dates, find an update for Windows that has failed to install, and then double-click the update to view more information.

5.   Updates that have failed to install will display Failed under the Status column.

Make a note of the update Knowledge Base (KB) number and the error message and let me know

Step 2: Run the fixit available in the link below to reset windows update components.

How do I reset Windows Update components?

http://support.microsoft.com/kb/971058

Step 3: Now, you may try to install those unsuccessful windows updates manually from the Download center link below

http://www.microsoft.com/downloads/en/default.aspx

Thanks and Regards:

Ajay K

Microsoft Answers Support Engineer

Visit our Microsoft Answers Feedback Forum and let us know what you think.