Wrong path for Windows 10 shell startup?

I want a program to start automatically at startup. I pressed Windows+R, typed shell:startup and Enter. The Startup folder opened. I created a shortcut on the desktop and copied/paste it into the startup folder. I restarted, but the program did not start automatically as expected. I opened the startup folder again, and looked at the startup path(without having a reason to). That's when I saw something that didn't look right. The path of the startup folder is/was
c:/Windows/Users/User/AppData/Roaming/Microsoft/Word/Windows/Start Menu/Programs/Startup
Why is the startup program list under Word? I didn't put it there!
Shouldn't it be
c:/Windows/Users/User/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Startup
So I changed it to
c:/Windows/Users/User/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Startup
Now shell:startup opens
c:/Windows/Users/User
How do I get shell:startup to point to
c:/Windows/Users/User/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Startup
so I can get the program to start automatically?

The shell recognises "Common Startup" but not "startup". There is a shortcut to the program's exe in Common startup folder, but the program doesn't start at startup.