Error code 0x80070003 may sometimes prevent you from updating Windows to the latest version.
This error indicates that some of your update files are missing or have become unusable.
For example, if the files got corrupted, your setup wont access and read them.
Fortunately, there are a few things that you could do to get rid of this error.
see if this solution solves the problem.
Note: If the error persists, unplug your router and leave the equipment unplugged for two minutes.
Then plug it back into the wall outlet.
Connect your setup to the internet and check for updates again.
Third-party antivirus, antimalware, and firewall solutions often block the Windows Update service.
The quickest way to solve the problem is to disable all the unnecessary third-party programs running on your box.
This includes security tools as well.
Do that using the Task Manager orclean boot your machine.
Then peek if error 0x80070003 persists.
Run SFC and DISM to solve the problem.
If youre trying to install a feature update,use the Update Assistantto get the job done.
If youre trying to install a specific update or a security patch, download it fromMicrosofts Update Catalog website.
