Errors code 80072efd regularly occur when users try to replace the home windows 11 & windows 10 update service. Microsoft update services or wrong firewall settings can motivate this error Code 80072efd even as updating windows 11. If the Microsoft server reasons the windows update 11 error Code 80072efd, it may be ratified by itself. Most of the time errors take place because of a windows firewall error or Proxy settings, then the firewall must be manually configured to accurate the problem.