Windows update code 643

Follow-up to the technical support engineer said. Tried twice to receive code. I see I'm not the only one.  KB953297

Hi ptgal04,

Please describe the steps precisely like what you made so that we have a clearer idea about the whole scenario.

The error you described is a common problem with the updates of the .NET Framework.

Here are a few troubleshooting steps to resolve the problem.

Method 1: Manually remove and reinstall .NET Framework.

To remove and reinstall .NET Framework manually, follow these steps:

1. remove the .NET Framework.

1. click on Startand then click Control Panel.

2. double-click on Add or remove programs.

3. write down each version of the .NET Framework is already installed on the computer. Then, uninstall all versions of the .NET Framework.

4. When you are prompted, restart the computer.

2. use the Windows Installer CleanUp utility to clean up the State of MSI database for all versions of the .NET Framework.

a. download the Windows Installer CleanUp utility. The following file is available for download from the Microsoft Download Center: collapse this includes this image

Download the Windows Installer CleanUp Utility package now. (http://download.microsoft.com/download/e/9/d/e9d80355-7ab4-45b8-80e8-983a48d5e1bd/msicuu2.exe)

b. install the Windows Installer CleanUp utility as an administrator or a user account that is a member of the local Administrators group.

c. click Start, point to all programsand then click Windows Installer Cleanup.

d. in the Windows Installer CleanUp utility, remove all Windows Installer for the .NET Framework applications.

3. restart the computer.

4. download and reinstall all the versions of the .NET Framework that were previously installed on the computer.

5. When you are prompted, restart the computer.

Note When you have reinstalled all the versions of the .NET Framework, you can use Windows Update to check for the updates of the .NET Framework.

Method 2: Use the .NET Framework automatic cleanup tool

This tool is not designed as a substitute for the standard uninstall procedure. You should try to perform an uninstall by following the steps in method 1, earlier in this article, before using this cleanup tool.

The .NET Framework cleanup tool removes the .NET Framework for you. For more information about how to obtain and use this tool, visit the following MSDN Web site:

http://blogs.msdn.com/astebner/archive/2006/05/30/611355.aspx (http://blogs.msdn.com/astebner/archive/2006/05/30/611355.aspx)

For more details on the above error code, see

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".

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

It should work.

Kind regards

Shinmila H - Microsoft Support

Visit our Microsoft answers feedback Forum and let us know what you think

Tags: Windows

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