How to Fix Error Code 80072F8F on Windows 8.1 / 10 Update?

When you synchronize your computer’s clock with a time server on the Internet, your computer’s clock updates to match the time server’s clock. This ensures that the clock on your computer is always accurate. Your computer's clock is usually synchronized with an Internet time server once a week. However, your computer must be connected to the Internet to synchronize. If your computer or Windows Phone is not synchronized with a time server, you have to manually check whether your date and time settings are correct .