Important update does not install, error code 642

Question

unknown error encountered

Answer 1

Hi AndyBelarus,

·        What is the operating system installed on your computer?

·        Are there multiple updates that are failing?

Check to see if the following helps.

**Step 1:**Check the update history to know the exact error code. Refer to the below mentioned link to check this. Double click on the update which says “Failed”.

See which Windows updates are installed - Windows 7

See which Windows updates are installed - Windows Vista

**Step 2:**Run the Automated Troubleshooter to check for the issue.

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Windows 7:

Run Windows Update troubleshooter and check if it helps.

Open the Windows Update troubleshooter

Windows Vista:

Try to reset the Windows Update Components and see if it helps. Refer the below mentioned article for the same.

How do I reset Windows Update components?

You may also want to check:

Troubleshoot problems with installing updates - Windows 7

Troubleshoot problems with installing updates - Vista

Hope this helps!

Syed N – Microsoft Support

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Answer 2

I have a page on fixing that problem amng others

http://www.windows-it.tk/wp/fixwinupdate.html

Answer 3

I have a helpful page to fix the problem

http://www.windows-it.tk/wp/fixwinupdate.html

Answer 4

AndyBelarus, please read:

http://social.answers.microsoft.com/Forums/en-US/vistawu/thread/1467f44b-ee27-4f7d-98d7-f1c4b35b3395

and then start a new thread regarding your question with all the relevant information.

Unfortunately we don't even know what "Install, Upgrade and Activate" forum this thread was moved from.

K

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TaurArian [MVP] 2005-2011 - Update Services