Problem: In V2.001 to V2.103, the Play Tab fields can appear grayed out and they do not respond when you click them.
Solution 1: This occurrs if your computer does not have an audio card installed. To fix this, install an audio card so the Play Tab features will work properly and you will be able to play.
Solution 2: Your Direct-X version must be 7.0a or higher for the Play Tab to function. If you need to upgrade it, click this link
http://mtu.com/support/microstudio-s...-notes.htm#MS1 and read the directions.