Burned data CDs are always recognized as Audio CDs, i.e. for every written session, in Explorer they see one line respectively with TRACK<n>.CDA.
If you are using a Philips CDD3610 / HP 7200 / HP 7100 or a compatible device, then please change to Nero 4.0.3.4 or newer.
This problem occurs e.g. in the case of some PacketCD versions. Please deinstall PacketCD and make sure that all PacketCD drivers have been removed. Refer also to drivers of other CD burner programs
The file SCSI1HLP.VXD (Windows\System\IOSUBSYS directory) causes these phenomena in connection with other drivers. Please delete this file.
If the option DMA is activated during the burning process, then it is possible that the burned CDs are seen as being audio CDs (e.g.: in the case of Yamaha CD burners).
Please deactivate the option DMA to be deactivated (see: DMA Option)
If you are using an Adaptec SCSI hostadapter : We are aware of some cases in which it was possible to resolve the problem by updating to the newest drivers of the SCSI Hostadapter das Problem beseitigt werden konnte. Höchstwahrscheinlich kann bei den Hostadapter. It is very likely that with the the problem can be solved by updating the drivers.