Restarting windows service update service can help fix the problem by reinitializing the update process and downloading new contents. Press Windows key + R on your keyboard to open RUN dialog box.

Fix Error Code 0x8007139f for Windows Update, Outlook (new) app, Activation, Microsoft account, Windows Defender, Xbox gaming or when using a PIN.

Once computer completely reboots, Check if Windows Update Error 0x8007007e still occurs. After following the steps mentioned, you will successfully fix Windows 10 Update Error 0x8007007e.