Recently, Windows prompted an update issue with error code 0x80070643. After checking, it turned out that error code 0x80070643 is a common issue. This update error is often encountered when using Windows systems. This error usually indicates that the Windows Update service is unable to access the required files when attempting to install updates. The following solutions were introduced in these two places:
Here is a summary to address Windows update error 0x80070643.
First: Check the network connection First, make sure that this computer is connected to the Internet. If using a Wi Fi network, please try connecting to another network or using a wired connection. If the problem persists, please try restarting the router or adjusting network settings.
Secondly, run the Windows update troubleshooting program. There is a built-in troubleshooting tool in the Windows system that can help troubleshoot and resolve update issues. Follow the steps below:
Click on the Start menu, enter “Troubleshooting”, and then select “Troubleshooting Settings”.
In the “Troubleshooting” settings, scroll down and find “Windows Update”, then click “Run Troubleshooting Program”.
Wait for the troubleshooting program to complete before attempting to install the update again.
Thirdly, if none of the above methods can solve the problem, you can try resetting the Windows Update component. Please follow the following steps to operate:
Press the Win+R key to open the “Run” dialog box.
Enter “services. msc” and then press the Enter key.
In the “Services” window, locate the “Windows Update” service, right-click it, and then select “Stop”.
Press the Win+R key to open the “Run” dialog box.
Enter “% windir% software distribution” and press Enter.
Delete all files in the “datastore” and “download” folders.
Return to the “Services” window, right-click on the “Windows Update” service, and then select “Start”.
Try installing the update again.
Fourth: Manually download and install updates. If none of the above methods solve the problem, you can only try manually downloading and installing updates. Visit the Microsoft Update Catalog website（ https://www.catalog.update.microsoft.com/Home.aspx ）Search for the required updates and manually download the installation package for installation.
Overall, Windows update error 0x80070643 may be caused by multiple reasons. When trying to solve the problem, please ensure that the network connection of this machine is normal and follow the above method to gradually troubleshoot. If nothing unexpected happens, this annoying problem will eventually be solved.
