Ten Best Methods to Fix Windows Update Error Code 0x80070643

Ten Best Methods to Fix Windows Update Error Code 0x80070643

When you try to update Windows, do you continue receiving the error message 0x80070643? You will continue to get this annoying message no matter what you do. This article will help you fix the error code 0x80070643.

Windows Update sometimes displays error code 0x80070643 during system component updates, such as Windows Defender or Microsoft.NET Framework. Sometimes, the error code could be displayed while installing cumulative or quality Windows system upgrades.

10 best ways to fix windows update error 0x80070643

There are many reasons why error 0x80070643 may appear. It could also be caused by a broken Windows Update instance or corrupt.NET Framework installations. Follow these instructions to fix Windows Update error code 0.80070643 on Windows 10 or 11.

1. Restart Windows Update Services

BITS, Windows Update Service and Cryptographic Services (all abbreviations for Background Intelligent Transfer Service) are all system-related services Windows Update needs to work correctly. Sometimes they can crash or glitch and cause the error 0x80070643 during installation.

You can get rid of it by restarting the services with the Services app. This is how to do it:

1. Press Windows Key + R to open a Run box. Then, type services.msc Use the press Enter.

Restart windows update services

2. Right-click Background Intelligent Transfer Service Choose and Restart. Start.

Restart windows update services

3. Scroll down to see the complete list of services, and then repeat your previous actions Windows Update and Cryptographic Services.

2. Reboot your computer and try an update

Windows Update’s 0x80070643 error can also be fixed by restarting the computer. If not, you should open the Start menu Choose and Power > Restart. . Next, go back to Windows Update to reinstall your update.

3. Run Windows Update Troubleshooter

Run the Windows Update Troubleshooter built into Windows if you continue to get the 0x80070643 errors. You can find out if Windows Update is not working properly and it will offer recommendations as well as automatic solutions to fix the problem.

Run the Windows Update Troubleshoote:

1. Press Windows + S Windows Search will open. Then, type Troubleshoot Settings Choose and Open.

Run windows update troubleshooter

2. Select Additional/Other troubleshooters.

Run windows update troubleshooter

3. Select Run Next to Windows Update.

Run windows update troubleshooter

4. Run .NET Framework Repair Tool

Do you only see the 0x80070643 message when installing Microsoft.NET Framework Updates? Run the Microsoft.NET Framework Recovery Tool to determine if the error is caused by corrupt files or other errors in the current.NET Framework install.

1. The following is available for download Microsoft .NET Framework Repair Tool Visit the Microsoft Website.

Run .net framework repair tool

2. Double-click on the file you have downloaded NetFxRepairTool.exe Accept Microsoft’s licensing terms and file a response. Next, you can review and accept the suggested changes Next These can be used to add them. You should not close Microsoft.Net Framework repair tool.

Run .net framework repair tool

3. Open Windows Update again and try the Microsoft.NET Framework update. You can select the desired option after successful completion of the Microsoft.NET Framework update Finish To exit Microsoft.Net Framework Repair Tools, You can choose to continue if you do not wish to exit the Microsoft.Net Framework Repair Tool Next to perform additional troubleshooting.

5. Reset Windows Update

Windows Update caches various files and signatures in a couple of system folders called “SoftwareDistribution” and “catroot2.” The data inside can corrupt and trigger the 0x80070643 error.

To eliminate data corruption issues, force Windows Update to create the SoftwareDistribution and Catroot2 folders. This is how to do it:

1. You can open the Start menu, cmd, Run as administrator You can invoke an elevated Command Prompt Consol.

2. You can run these commands one after another to end the Background Intelligent Service (Windows Update Service), and Cryptographic Service:

  • net stop wuauserv
  • net stop cryptSvc
  • net stop bits

3. To rename or backup your current Software Distribution and Catroot2 files, use the following commands:

  • rename c:\windows\SoftwareDistribution SoftwareDistribution.old
  • rename %systemroot%\System32\catroot2 catroot2.old
  • net start wuauserv
  • net start cryptSvc
  • net start bits

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