I've got the same problem. I try to run a game, and gngeo exits out to the system menu. I've got all the appropriate bios files (000-lo.lo, asia-s3.rom, sfix.sfx, sm1.sm1, sp-e.sp1, sp-j2.rom, sp-s.sp1, sp-s2.sp1, sp1.jipan.1024, usa_2slt.bin, and vs-bios.rom) all extracted to .\gngeo\roms\, and...