Quote Originally Posted by Harry Kuhman
This is pretty strange. Please do post back and let us know what you learn.
I learned about overburning, and what a lead-out is. I learned that Nero perhaps calculates disk space differently to Windows. I learned that other people had overburned more data than I would need without problem. And after I learned all that, I had an idea - to try a different disk. And it worked.
Thanks for your help.