I installed no$gba on this site http://www.emulator-zone.com/doc.php/gba/nocashgba.html And the game that i'm playing here http://nds-roms.com/?act=ndsroms I downloaded Digimon World(U) when i play it on the no$gba it says "Unable to read data. Please turn off power and re-insert the Ds Card" and when i turn it off and re-insert it it still won't work. PLEASE HELP ME I WANNA PLAY IT SO BAD! i got the game on My DSi but i wanna try it on my pc without deleting my game file on my Ds. Btw What is a bios or something