How to repair the file system within in a ISO file

[gm5729]

If this is just a data disc it most likely is in 9660 format.

ISOMaster would probably be able to mount the image and you could just
yank the data off that you want. Then make a fresh start of what need.
Unless that data is absolutely applicaton specific or encrypted with a
certain rev #, who cares about the apps on the disc, the data is the
most important.

vp