Can't copy files to shared Homegroup Start Menu

I have a subfolder under C:\ProgramData\Microsoft\Windows\Start Menu on my desktop that I want to copy to the same folder on a laptop which is part of my home network. I've explicitly set the shared properties of ...Start Menu on the laptop to Homegroup (Read/Write). Nevertheless, when I try to copy the subfolder from my desktop to the laptop I get the message "Destination Folder Access Denied:...