>Am trying to create an exe that runs via windows scheduler.
>The exe reads from com port values from a weighing scale and updates the information into an SQL file.
>Need a timer as well as the ole control mscomm32.
>Would like to do it programmatically.
>Question is how do I add in the mscomm32 into a prg and loop that with a timer object?
>YH

As Craig points out a Windows Task scheduler will run at a specified time (or date) once. I don't think that is what you want. A windows service (as your title suggests) would run all the time if a timer is added to it, but why do you feel you need a windows service as oppose to a regular exe?