it says something about a aspi driver????

oh and no matterwhat image i tryed to create it still gave the same message

ok hi, im new to this whole dreamsnes thing and well i followed all the directions and all but when ever bootdreams finishes it always comes up saying "cannot creat disk juggler image" but im like i tryed to create a nero image not disk juggler and well it wont complete. can anyone help?