This is the image with the radial blur background. After all that hard work, it is now time to save. While you were working you should have been saving the file just in case something happened ...
If you disable or do not configure this policy, the logon background image adopts the acrylic blur effect. If it doesn’t work, reboot your computer or check the next time you restart the computer.
Regardless, these bokeh camera settings on film or digital will produce images with ... the amount of background blur by moving your lens closer to your subject. This can work to great effect ...