We are aware of an issue where a PC will fail to boot into Windows following the installation of a windows patch. Patch KB4493472 has been identified as the cause of the issue and has been linked to the Sophos AV software. https://community.sophos.com/kb/en-us/133945
To resolve the issue, you must boot into safe mode with networking and remove the update. The links below will provide instructions on how to boot into safe mode and remove an update from your system.
Alternatively download the guide linked below which is a step-by-step guide on how to boot into safe mode and uninstall the update.
If you need any assistance with this, please contact the Egton Service Desk or your local IT provider if we do not manage your PC or Desktop infrastructure.