How to fix Windows  10/11 Update Error code 0x80070643

When Windows Update is will often encounter error 0x80070643, when Windows Update is unable to install the update on your computer. This error can be caused due to various reasons such as corrupt system files, incompatible drivers or incorrect settings. Here are some ways to fix Windows Update Error 0x80070643:

  1. Run WisePCDoctor to scan system errors,and then fix these problems. Download

2. Run the Windows Update Troubleshooter:

Press Windows key + I to open Settings.

Click on Update & Security.

Click on Troubleshoot under the “Update” section.

Select Windows Update and click on Run the troubleshooter.

Follow the on-screen instructions to complete the troubleshooting process.

3, Reset the Windows Update Components:

Open Command Prompt as an administrator.

Type the following commands one by one and press Enter after each command:

net stop wuauserv
net stop bits
net stop cryptSvc
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start bits
net start cryptSvc
net start msiserver

4, Restart your computer and try running Windows Update again.

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