i was playing custom beat battle online..then it stoppped.....when i reset....there was an error on my sd card....so then when i connected it to my pc with the usb....it said it wasent formatted....im really ticked...but im even more ticked that i cant find my m3ds simply CD...so if i can download the stuff that was on the CD i would be able tp start agian...but since i can find it...im a sitting duck... somebody please help...