C:\Users\[ユーザー名]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
AllUserは
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp
This is an artificial mistake by lazy Administrator.
C:\Users\[ユーザー名]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
AllUserは
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp