What am I doing wrong. Have the Codex. Have ATAPI CD-R/RW 8x4x32.Have movie on harddrive. Downloaded Nero demo. I select make a DATA CD. I selected 4x speed. Have CD-RW 700mb 80 min 4x speed blank. Drag and drop movie file. Put in blank. Select burn and everything freezes. Have to shut down and retreive blank from writer.