Tag: 800b0100 windows update encountered an unknown error

800b0100-windows activation error -WINDOWS 7/8/10

This article describes an error code 800b0100. There are cases which have been discussed related to product activation and licensing related issues due to the hardware changes. If more no of activation are being done using the same product key, it may cause windows product activation issues. Applicable to the following Operating systems:- Windows 7… Read more »