bigpapa and igottashit plz HELP!!!

here's the deal, dj was working for me and now it don't. now i get a comand sequence error when i try to burn. what is the problem? next i tryed to convert the .cdi to nero, when i go to burn i get a error from nero, illegal field parameters...i also tryed cdirip but i enter the .cdi to rip and the program ends and nothing happens....it don't extract anything...can you help me plz. yall are the best people for the job.........thx