Simulate a scheduled job in ruby

Hi, I am new for ruby, I created window NT service in ruby, my next job
is i should run that service at the specified time. I tried with
win32-Taskscheduler, i got output for notepad and calc , but i am
unable to run my own service using this win32-taskscheduler.
Pls help me

I use rufus scheduler:

Take a look of it.

2008/9/24 Logesh S. [email protected]