Disable Your Antivirus Software Temporarily. Your antivirus software can be interfering with the apps or Windows Update on your computer, resulting in the 0x80070643 error message. Remove your antivirus program temporarily and see if it resolves the issue for you.
As a result, reinstalling the update, kb4023057, can be necessary to resolve the problem 0x80070643. You can uninstall and reinstall update 2018-11 for Windows 10 version 1803 x64-based devices issue that occurs when updating Windows 10. Uninstall the KB4023057 Update
Error 0x80070643 can also appear when downloading or updating a handy Windows application. The instructions in this article apply to Windows 10, Windows 8, and Windows 7.
Update 2019-01 on Windows 10 Version 1803 for x64-based Systems (KB4023057). You can start everything by going to Windows Update in Control Panel and selecting “Try Again” or “Check for Updates”. It will also most likely update automatically even if you are running an actual event that does nothing.
Here are our steps: 1 Click Start. 2 Go to Settings (gear button) > Update & security > Advanced troubleshooting > Troubleshoot. 3 Click Windows Update. 4 Click the “Run the troubleshooter” button. 5. Then purchase and process the tool.
As an example, here are some ideal common error codes: 0x80240034; How is it projected?
How do I fix Windows Update error code 0x80070643?
1) Fixed error 0x80070643 when updating
- Install the latest version of .NET for Windows.
- Run any type of sfc scan on your machine.
- Install updates manually.
- Manually update Windows Defender Antivirus.
- Temporarily disable your antivirus software.
What causes Windows Update error code 0x80070643?
Antivirus software can prevent viruses or malware from attacking your computer. As mentioned above, while the specific error code 0x80070643 can be caused by viruses and malware. Antivirus software is primarily used to scan your computer for viruses, adware, and spyware.
How do I fix error 0x80070643 in Windows 11?
How to fix error 0x80070643 for Windows 11?
- Run the Windows Update troubleshooter.
- Run… scan system files. …
- Last . …
- Fix.…
- Temporarily disable third-party antivirus software. …
- In SoftwareDistribution, change the name of the appropriate subfolder. …
- Reset the entire Catroot2 folder. …
- Update Windows Defender signatures.

I’m a writer for uscfr.com. In my opinion, technology should make our lives easier, not more complicated. That’s why I enjoy breaking down complex topics and explaining them in a way that everyone can understand. In my free time, I can be found tinkering with new devices or coding up new apps.