The file currently being shown on the windows login screen is not found in the file location identified by your method.
Windows 10 login screen picture location.
Windows logon background changer and other utilities just change this registry value and put the image file in the correct location for you.
You can configure the sign in screen background you want on the lock screen settings page too.
Windows keeps these windows 10 lock screen photos buried deep in a hidden directory but with a bit of digging you can find them save them and even use them as desktop wallpaper.
The pictures are of a good enough quality.
If you re struck by the awesomeness of a windows spotlight lock screen image that recently appeared on your screen and need to find the geographical location where the image was actually shot here are some options.
Hover the mouse over the camera icon with the windows 10 anniversary update v1607 you can see the actual.
Select windows spotlight for an automatically changing selection of images from microsoft or select picture or slideshow to choose your own preferred background image.
Microsoft has made windows 10 s login screen more visually pleasing than ever by displaying high resolution images in the background.
The image you select here will appear as both your lock screen background and sign in screen background.
Here s how to find these images hidden on your pc and how to convert and save them for personal use.
I did however find images that may or may not be used as the login screen background.