using windows xp, dvdrw-sohw1653s, last few days I can copy vcd to vcd. now i cant burn any file(s). i tried burn doc from desktop( which I download from uni website. I also try to copy mp3 file (like 50 of mp3 which about 530MB), yesterday i also try copy music cd to cd still show the below pic. the blank I got is blank is new.