code 646 - windows encountered an unknown error

My computer is running slow. Everytime im on the computer or shut down i see the icon to install updates. Im consistently installing the updates but they are failing. How do i manually install the updates for KB975960, KB974561, KB973704, KB973593 
 

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Last updated March 25, 2018 Views 3,660 Applies to:
Answer
Hi,

Try this 1st to see if it helps and it should :

Description of the Patch Registration Cleanup Tool
http://support.microsoft.com/kb/976220/

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If needed :

Try this - Control Panel - Windows Updates - on each Update that will not install - Click the Important Updates
or the Update itself - double click one then click View More Informations (or click on it then View on right side)

Those will take you to a page where  you can download the update.

Or go here and put in the KBxxxxxx number to download it.

Download Center - put in the KBxxxxxx.

Microsoft Download Center
http://www.microsoft.com/downloads/en/default.aspx

Download - SAVE - go to where you put them - Right Click on - RUN AS ADMIN

Then you can Right Click on the Update in Windows Updates and HIDE.

If you get an installer error install this version :

Windows Installer 4.5 Redistributable
http://www.microsoft.com/downloads/details.aspx?FamilyID=5a58b56f-60b6-4412-95b9-54d056d6f9f4&displaylang=en

----------------------------------------------------

Then run these :

How do I reset Windows Update components? - a Mr Fixit
http://support.microsoft.com/kb/971058

Description of the System Update Readiness Tool for Windows Vista, for Windows Server 2008, and
for Windows 7
http://support.microsoft.com/kb/947821

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Since these are all Office Updates you might get more info if needed in Office Groups from those who
might have experienced the same issue.

Office Discussion Groups
http://www.microsoft.com/office/community/en-us/FlyoutOverview.mspx

Discussions in microsoft.public.office.misc
http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.office.misc&cat=en_us_01cb749f-c998-4762-8099-df71793c11c7&lang=en&cr=us

------------------------------------------------------------

If needed you can get free incident reports however the above should take care of it for you.

For Windows Updates - Free Incident Report

Go Here and Click -> Windows Update fails while scanning for, downloading, or installing updates
http://support.microsoft.com/gp/wusupport#tab3

For Security Updates you can get a Free Support Incident Report
http://www.microsoft.com/protect/resources/support.aspx

Hope this helps.

Rob - Bicycle - Mark Twain said it right.
Rob Brown - Microsoft MVP - Windows and Devices for IT 2010 - current
Windows Insider MVP 2016 - current

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