Hi,
Thank you for posting in Microsoft community.
I suggest you to follow the steps below.
1. Press windows key + r
2. Copy the run command Shell:common startup
3. It will reach C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup
4. Creat the shortcut of the program you want to run in startup.
5. Drag and drop.
6. Restart the computer.
Hope this helps. If the issue remains unresolved, please get back to us and we would be happy to help.
Thanks.