Fix Windows Update Error 0x80072EFE Involving Incorrect Date and Time Settings
The error code 0x80072EFE indicates a connection problem with Windows Update.
To download and install Windows updates, your Windows installation must meet certain criteria so that Microsoft knows that you are downloading updates to a certified copy of the operating system. Curiously, this includes setting the correct date and time on your PC. Without the correct date and time, you can get the error 0x80072efe.
You must also have a working Internet connection to download updates. Firewalls, antivirus software and other software that you have installed on your PC can be exchanged between your computer and Windows Update servers. Disabling the Windows firewall sometimes fixes the error. You just need to remember to turn it back on when you’re done.