It hasn't been exactly one week since this update was given to users of Windows 10 1903 and 1909 , Update KB4535996 has now reportedly caused several problems with Windows 10 devices after installing it. Although Microsoft in its changelog page has not acknowledged the existence of the problem, but based on several reports via the Microsoft Answers and Feedback Hub said some users experienced problems related to this update. The first problem was reported that KB4535996 update failed to install and caused Bluescreen with error messages 0x800f0922 and 0x80070003, like the one reported by the following Feedback Hub user . "Windows Update lists this as an Optional Update where I can click Download and install. It downloads 0 to 100%, then installing takes some time to reach 100%, then it requests Restart, after which it starts updating on a blue screen: it counts up to 6% and then reboots. It indicates that it couldn't complete the updates; undoing changes and