A Samsung feature disables Microsoft s update mechanism by default. Windows Update is a service that delivers, among other features, security updates and patches to Windows machines. Samsung’s SW Update program downloads a program that overrides any changes a user may institute, such as re-enabling Windows Update. Samsung said in a statement provided to Threatpost: It is not true that we are blocking a Windows 8.1 operating system update on our computers. We are providing our users with the option to choose if and when they want to update the Windows software on their products””,June 25
Source: https://threatpost.com/samsung-program-disables-windows-update-on-pcs/113475/

