Hi, i hawe problem with my CD/DVD burner NEC ND3500AG when i want burn DVD my burner, NERO just wrote Illegal Disc in F:NEC etc.... next line is Could not perform start of Disc-at-once and last is Burn process failed...... in first i hawe changed media from BENQ to Imation problem still, but with some printable Verbatim it´s work.. CDs work, even reading of DVD is ok... where can be problem ??? burned so far cca 300-400 DVD in 2years...