error code 646 and 643 when you perform an upgrade to windows.

Remember - this is a public forum so never post private information such as numbers of mail or telephone!

Ideas:

  • You have problems with programs
  • Error messages
  • Recent changes to your computer
  • What you have already tried to solve the problem

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

Put the KB numbers in the search on the link above and do a manual download of each of them.

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http://support.Microsoft.com/kb/923100/

When you try to install an update for .NET Framework 1.0, 1.1, 2.0, 3.0 or 3.5, you may receive Windows Update '0 x 643' error code or error code Windows install "1603".

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If above does not solve it:

Windows Update Forum:

It comes with Vista, upgrade install and activate Forum.

You will get the best help for any problem of Update/Service Pack in the Windows Update Forum; the link below:

http://social.answers.Microsoft.com/forums/en-us/vistawu/threads

When you repost here, kindly include the Error Codes, and exactly what is happening when you try to update.

In this way, you will receive the best help.

See you soon.

Mick Murphy - Microsoft partner

Tags: Windows

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