DraStic

I've randomized roms for pokemon in the past, I think I successfully got HG and Black working last year. So, I tried to do some randomizing for Platinum last night and it wouldn't work, the game gave me a white screen and crashed. I wouldn't question it but now I've tried W2, SS, and HG again to the same result. The real kicker is I can get the roms to run fine on Desmume, but it just sucks cause it's, well, Desmume. I was wondering if anyone else has had this issue, and should I assume randomizers won't work anymore because of how the emulator checks for corrupted files?