How do I fix Windows Firewall error 0x80070424?

First, attempt to simply (re)start the Windows Modules Installer Service.

1. WIN+R, services. msc [enter].
2. Scroll down to the Windows Modules Installer Service.
3. Ensure the service is not set to Disabled. It should be set to Manual.
4. Start the service.
5. Try running Windows Update again.

Jul 29, 2014