Thanks for the tips! I figured it out. I had a mix of different ROMS in two different ROM paths. I had another front end that had the ROM path set correctly, but the dos MAME path was pointing to a different set. I got rid of one set of ROMS and set everything to the same path and I'm good. Stupid ...

I think it is mame 096, when I launch the game from DOS, I type "mame joust". Which ini folder/files should I check under mGalaxy?

I've got several games that either do nothing when launched in mGalaxy, or will pop up the DOS window, then it goes away. If I launch the same games from mame directly in DOS, they work fine. Any way I can troubleshoot these problems?