If you would like to lose the blur effect on the login screen and go back to a clear background image, there are three suitable methods.
While not a big deal in the overall scheme of things, it is a 'feature' that very few of us asked for. With the general widespread deployment of the Microsoft Windows Update, you may have noticed one particular change in your PC's behavior more than the others: The update to Windows 10 Version 1903 now blurs the background image on the standard login screen.
