In order to schedule a task , Copywhiz uses the Windows inbuilt "Task Scheduler".
So, after you schedule a Copywhiz project, you can run the "Task Scheduler" and change the settings of the Copywhiz project in the Task Scheduler.
Watch this short video describing the scheduling feature of Copywhiz :
These settings will allow you to run as service etc.
Also , the task Scheduler will list all the projects that you have scheduled using Copywhiz .