Do you have more than 1 burner installed in that puter? If you do, you may just need to go to the burner properties in nero and choose the right one. It sounds like nero is looking a another burner in your system. Otherewise, you may have a hardware conflict in windows or the CDRW needs to be placed in the neerest roundfile!!
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.