80072EFE Windows Update Error Code Solution Step By Step:- Here you have to follow steps as per causes of this error code 80072EFE in windows update service client/ Firewall Check:- First change your antivirus/firewall settings to OFF, Windows Firewall is software that runs on your computer and provides protection against network attacks from the Internet or other computers on the network. To turn off the firewall, Type in FIREWALL in start button search bar and open firewall application,

Simplewall is an easy to use firewall & content filter for small and mid-sized business to stay in full control of your business network.

This resource from Check Point is an introduction to firewalls, what they are and how they work. Firewalls are filters which protect computer systems from outside threats.