Cannot update an update of security for Microsoft Works KB2754670. Error "646".

Original title: I am unable to update an update of security for microsoft works KB2754670.  I get an error of 646 code can you help me.

I'm unable to update an update of security for microsoft works KB2754670.  I get an error of 646 code can you help me

Hi ValerieStansill,

Thanks for posting your question in the Microsoft Community. We are happy to help you!

From your problem description, I understand that you cannot install the update of security for Microsoft Works KB2754670 and the error 646.  Please correct me if I misunderstood the question.

Question: This update problem occurs when Windows Setup encounters an error. Error code 0 x 80070646 and error code 646 are generated by Windows Installer. These generic errors indicate that Windows Installer has encountered a problem. The problem may be caused by an incorrect value in the registry.

Before troubleshooting, I need to ask a few questions.

  1. Are you facing this problem with this update or with all the updates?
  2. Did you recent hardware or modifications to the software on the computer before this problem?

To solve the problem, try the methods and check after each method:

Method 1: run the Microsoft Fixit to solve the problem with Microsoft Windows Update is not working.

http://support.Microsoft.com/mats/windows_update/en-us

Method 2: Try to download the update and install it manually:

Update of security for Microsoft Works 9 (KB2754670): http://www.Microsoft.com/en-US/Download/details.aspx?ID=34822

Method 3: You receive the error code: 0 x 80070646, error code: 646 or error code: 1606 when using Windows Update or Microsoft Update: http://support.microsoft.com/kb/2258121

Registry warning: Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the in the Microsoft Knowledge Base. How to back up and restore the registry in Windows: http://windows.microsoft.com/en-US/windows-vista/Back-up-the-registry

If the problem persists, post your reply with the results. We are happy to help you with the advanced troubleshooting steps.

It will be useful.

Tags: Windows

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