Thanks Dave. I will try that.
BTW, here is my crontab output from Terminal.
Saw the related post.
Code:
0 21 * * 1,2,3,4,5 open file:///Users/shannondixon/Library/Application\%20Support/SuperDuper\%21/Scheduled\%20Copies/Smart\%20Update\%20Backup\%20from\%20Macintosh\%20HD.sdsp/Copy\%20Job.app