Steps:
1.) Open Windows Task Scheduler [Control Panel >System and Security > Administrative Tools > Schedule Tasks]
2.) Click "Create Basic Task..."
3.) Name it what you'd like (MC Library Backup)
4.) Trigger > daily at custom time
5.) Action > Start a program
6.) Under Program/script put mc19.exe
7.) In "Add arguments" put /mcc 20011,1 (MrC explained)
8.) Finish and find the task you created In "Task Scheduler Library"
9.) Right click, Run. Then check your Documents > JRiver folder to make sure a new backup was created.