You didn't reveal any detail about the program so here's the tool I use to find ALL programs and services that autorun when I start Windows.
It's a shame more detail was not available since this tool may be like a sip from a fire hose.
Read about AUTORUNS at https://docs.microsoft.com/en-us/sysinternals/downloads/autoruns
On my laptop I have the outline of a program that after restarting the computer doesn't disappeare. (Asus F550J with windows 10) How can I make it go away?