Well, the NRG files I have tried to load are audio CD images I created in Nero. Is there a way to create an Audio CD image file in ImgBurn? If so, I will gladly do it (I tried to figure out how to do it but could not - everything wrote as data and not CD-compatible audio).
The ISO files I tried were ISOs generated by so-called "NRG-2-ISO converters" and these apps did not allow me to specify the filesystem. Regardless, I guess if the original NRG is no good, the ISO that was the result of a conversion would be no good as well.
I gave up on the TOC format since it's not widely accepted so I am no longer concerned about that one.
If ImgBurn cannot build audio CD images, could you perhaps recommend an app (preferably free) that can?
Thanks very much for your assistance -
Brian Mc