What do “CDBOOT: Cannot boot from CD” error codes mean on bootable Windows discs?

I have a bootable disc image supposed to boot Windows (a rescue image or the installer). However, when I try to boot from it, I encounter the following error:

CDBOOT: Cannot boot from CD – Code: #

with “#” being a number from 1 to 5.

What do these errors mean?


Occasionally encountered in the wild: thread #1, thread #2, thread #3, thread #4