StarTools will not work correctly (or work poorly) with an incorrectly stacked dataset. Getting a suitable dataset from your free or paid stacking solution, is extremely important.
Thanks for all your hard work and a fantastic product that I can't recommend strongly enough!
Exclusive to the main screen, the buttons that activate the different modules, reside on the left hand side of the main screen.
You can convert everything you see to a format you find convenient. Give it a try!