apart from that you also want to activate the script you want to be running/botting, (Grinder in this case) in Script Manager (does not need to be "running/farming" but just the script ui showing/script turned on in script manager is enough)
and then mouse hover the "Script profiles" at the top of Script Manager, and add open it on the right. then write a name for the profile, and 'add'. then tick 'autostart' on it
this way it will start that profile/scripts when it opens the client and logs in