Regarding users' comments, Windows Update 800B0109 Error appears when trying to upgrade various applications, for example, Microsoft Health app, Podcast app, etc. Even though some reports claim that this issue had even occurred in the past while running Windows Vista, the error code is much more popular on machines running Windows 7.
Windows Update 800B0109 Error is a common problem for users who are running Windows computer systems. To repair damaged system, you have to purchase the licensed version of Reimage Reimage.