- you can't apply for a long time a background with descapes if you have a synchronized account. It will be override at some point.
- you can't use descapes with 2 differents screen to apply 2 differents wallpapers. after a reboot, a refresh or whatever it will again be override with a default wallpaper.
is it because settings in windows 10 are not capable to be ovveride that you don't do a descapes 10?
if a support member staff don't agree I can always do a vnc or teamviewer or whatever with him, to show him the problems on3 computers 