installation of updates fail most of the time with the error code 646

What is the error 646 in the installation of updates?

Hi Sal Dahbi,

I will need more information to help you better.

· Did recent changes to the computer?

· Is this the first time you arrive on this issue?

· Did you use any third party registry patches or updates recently?

One of the following methods may solve your problem.

Method 1: Components reset Windows Update will fix this corrupted update components.

You can do so by visiting the http://support.microsoft.com/kb/971058 site and click repair button available in this Web site.

If the fix button did not work, then follow the troubleshooting steps provided in this website to reset the Windows Update components.

Method 2: Download and install Windows Update agent

For more information about how to download and install the latest Windows Update agent, click the following link to view the article in the Microsoft Knowledge Base:

http://support.Microsoft.com/kb/949104 

Hope this information is useful.

Let me know if it worked.

Thank you, and in what concerns:

Umesh P - Microsoft Support

Visit our http://social.answers.microsoft.com/Forums/en-US/answersfeedback/threads/ Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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