i just finished a dvd project using ulead 5 video editing software and it is save in dvd format for the highest quality. i try to burn it using nero 5.5 with the external dvd burner Que' 2.4x . the problem is the nero authorizing software wont recognize the dvd file output from ulead. the message is "failed to detect the project file...." anyone has any idea about what goes wrong. thank you.