Custom created jobs/task report not getting

Hi

We implementing Green IT policy i.e Shutdown policy for all desktop.

Which will shutdown every night at 11.00pm

We created to task 1) Copy shutdown.exe in C drive and 2) Trigger that exe so the User gets prompt that his/her desktop gets shutdown as per Green IT policy at 11.00pm

This policy works successfully but we not getting the report from Reports--- All reports --- Task status --- Job/task status or task executed