via http://gbatemp.net/index.php

FlashcartHelper, by GBAtemp member Punyman, has been updated to version 0.8.3. This Windows application is a utility to be used for setting up and updating your flashcart's firmware with ease. It supports a wide variety of popular carts, including Acekard, Cyclo, DSTT, iSmartMM, R4 and clones, M3, and Supercard DStwo. For instructions and more information about this project, please join the on-going discussion linked below.

QUOTE: Change Log 12/01/11•Fixed major bug that prevented FlashcartHelper from starting.

http://filetrip.net/f26798-FlashcartHelper-0-8-3.html