all the files are located by default in C:\Program Files (x86)\Samperson\Desktop Meadow if you delete that folder then it will stop, this is sadly because the uninstaller that comes with it is broken at the moment, it is however planning to be fixed soon
I think the uninstaller is still broken because I had the same issue (it also kept showing the app in the hidden icons tray even though it was deleted) but this was super helpful! It was causing weird issues when I started up my computer.
