As per the Help in the program on Profile Backup (Preferences > Options > Expert tab > press F1 to open Help page > bottom of Help page), you can set it so that it does not back up at all unless you force it (tell it to), which sounds like what you would prefer.
Do ensure that you have a valid path entered/set in the appropriate field, either way.
Do ensure that you have a valid path entered/set in the appropriate field, either way.