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This article describes an error code 0x80072F8F.You might see this error if the date and time for the PC are incorrect, or Windows has trouble connecting to the online services that you are trying to use or can’t verify your product key. When Windows is going through the installation process and is verifying all of the information associated with the computer, Error Code 0x80072F8F will arise, indicating that the information in the computer’s settings is not valid. Correct times and dates are necessary when using serial validation keys to install Windows.