While using DVDInfoPro, I tried to change the booktype of my 106D to DVD-ROM - the system just hung. I realize now that I should not have done that, but since then I have been burning coasters while getting the following message in Nero 5.5.10 when burning a data CD (VIDEO_TS + AUDIO_TS folders):

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Warning...

You are about to create a multi-session write once DVD disc. Session number 2 and above will not be readable with some DVD-ROM drives and operating systems prior to Windows XP.

How do you want to continue?

- Burn multisession anyway
- Burn without multisession
- Cancel

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I tried both 'burn multisession anyway' and 'burn without multisession',
and neither discs work in my DVD player.

If I check NO MULTISESSION, I still get this error... Could DVDInfoPro have changed a software / driver / firmware setting? Or is this problem caused by something else (any help appreciated!).

Hardware: P4-2.4, 1gig RAM, 80gig SATA, Pioneer 106D v1.07