I am a new user of GameEx, and the program has been well worth the money for my cabinet, making it much easier for my kids to use without my help. But while I HAVE been able to get alot of games working, it is still a work in progress. Initially I was only able to get about 900 games to show up on the MAME games list, and most of them worked. In an effort to get more of my favorites working, I was reading through these forums for a while, trying to glean off others' troubleshooting. I was following answers given to others and just going in and out of the Setup Wizard, hoping to find a YES/NO to switch that made the difference. A few days ago I switched three different, seemingly unrelated things all at once, per an answer to someone else on this forum, and then ran the "Update List" again. This time about 10,000 MAME roms became available, but most of them, including a large majority that worked before I made those changes, no longer worked, but still work when running MAME outside of GameEX. Unfortunately I don't remember the most recent changes that brought about this tuning of the tables, so I am hoping someone with some experience can point them out for me. I'll do my best to post all the required information. If I miss anything let me know. I think I'm supposed to post my config file on an actual post, so I'll follow up this post with that one. Thank you in advance.