I fixed the problem with Windows Update error code 643

August 24, 2020 by Louie Sharp

 

Over the past week, some of our users have fixed the error message with Windows Update error code 643. This issue can occur for several reasons. Let's discuss it now.

The appearance of error code 643 indicates that the update is not being installed on the system for some reason. Typically these are: Intervention by a third-party antivirus: An error code can appear if third-party antivirus programs on your system interfere with the update process.

 

 



Some users have reported on forums that they received error code 643 when trying to install Windows updates. Error code 643 is a more common upgrade error in Windows 7, 8, and 8.1. The error is preventing Windows from updating. Here are some solutions you can use to fix error code 643.

Solved: Windows Error 643

1. Open Windows Update Troubleshooter



The Windows Update Troubleshooter fixes many update errors. This troubleshooter can provide a solution for error code 643. You can download the Windows Update Troubleshooter for Windows 10, 8, or 7 from this web page. Windows 7 and 8 users can click Download Troubleshooter for Windows 7 and Windows 8 to save the troubleshooter.

Then open the patch from the folder where you saved it. Click on "Advanced" and select "Apply repairs automatically". Then select Windows Update and click Next to complete the troubleshooting steps.

2.ODisable Your Antivirus Software

Third party antivirus software may interfere with Windows Update. Some users have confirmed that disabling antivirus software can fix error code 643. To temporarily disable antivirus software, right-click the icon in the taskbar and select the disable or disable option. deactivation in the context menu. If you cannot find the disable option in the context menu of the anti-virus utility, look at the settings in the main program window. You can also disable anti-virus software from the Start tab of Task Manager as follows.

3. Fix The NET Framework Using The NET Framework Repair Tool



Error code 643 often occurs due to corrupted NET Framework installation. You can repair the NET Framework using the Microsoft NET Framework tool that you can download from this website. Then open the utility window and check the box I accept the license terms. Click the Next button to start the recovery program.

4. Restore The NET Framework Client Profile Via Control Panel

Windows 7 users can restore the NET Framework Client Profile by using the Programs and Features applet in Control Panel. This cmdlet lists the versions of the NET Framework installed on Windows 7 that you can choose to repair. This way you can restore the NET Framework client profile in Win 7.

5. Reinstall NET Framework


windows update error code 643 fix

As a last resort, reinstall the NET Framework. Set up a system restore point that you can revert to before uninstalling NET Framework. Then reinstall the NET Framework as follows.



Some of these solutions may resolve error code 463 that is causing Windows update. The Deployment Image Servicing command-line utility can also be helpful in resolving error code 463. This Fix Windows Updates page also provides solutions that you can use to fix error code 463 and other update errors.



 

 

 

 

 

 

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