hi
You can follow up these steps for your issues step by step
NOTE: some of the services adjusted as default manually or automatically,sometimes microsoft does not let you to change the current system so follow up these steps please.
1.step https://support.microsoft.com/en-us/windows/windows-update
https://support.microsoft.com/en-us/windows/get-help-with-windows-upgrade
https://support.microsoft.com/en-us/windows/troubleshoot-problems-updating
2nd step as if your issues continue you can check the link below
https://www.easeus.com/resource/windows-update-error-0x80070643.html
regards
Tamsa13