Can't load game file.

Hello guys!All my previous games are ok to play in my NDS from RomUlation. I haven't downlaod games for a while. But 2 games I downloaded last nite, came up with this error message "Rom Loading failed, Load rom errcode=-7" Anyone has come across this problem? I'm using DSTT card.I recently bought a new vista pc. But I doubted it would be cause the above problem.Thanks in advance.

You need to update the firmware on your flashcart. Go here for a newer one: www.linfoxdomain.com/nintendo/ds

OS doesn't matter and it can't do anything bad.