On the Last Run Results tab, information about the last time this task has run is displayed.
Last Run Time : Date and time on which the task ran for the last time.
Last Run Duration : Shows how long the task ran the last time.
Last Run Status : Shows the result of the last time the task ran. When completed successfully it will show OK.
Last Run Output : Shows possible error messages that were returned in case the task didn't complete successfully. The error message should give an indication on where to search for the reason of the task failure.
Running Now? : Shows if the task is currently running. Tasks should normally not be running longer than some minutes.