Problems mounting an ISO disk image with Disk Copy

[Bronx]

Mac OS 10.2.7 Power PC G4 Ighz 768 MB Ram (25-30 GB of disk drive unused)

Using Disk Copy, Ive tried to mount an ISO image--3.2 GB-it keeps resulting in kernel panic..

I've read of similar problems, and tried all their solutions, except logging in and out:

http://www.macattorney.com/tutorial.html#anchor-diskimage

Disk Image can convert it to a dmg file, and it checksums out, indicating to me, the image is not corrupt-but trying to then mount the dmg STILL casues the kernel panic.
Is this correct thinking about it NOT being corrupt?

Any way to check?

I also tried with Disk Utility--the mount option is greyed out--says its a Roxio Inc. DIsk Image Media, Disk Write Status: Read/Write

I also am aware of RAM going bad causing kernel panic, but it only happens with this image, and also with using two consecutive programs that use Apples Audio Midi Setup-Core Audio, I believe, which is also well documented,,best to just restart between using two of these kinds of applications.

Any suggestions how to mount, or extract files from this iso image??
Thanks for any and all help-

Peace. Bob Morabito

PS--I also tried restarting,and Toast Titanium 6, and Toast Mount to mount it-didnt do anything-no crash, or kernel panic..just a slight delay, like it was going to do something the first time, then nothing..

I also checked computer with Tech Tools, and Norton-everything ok.
I dont have anotehr computer nearby to check it, andn wouldnt know how to do it if I had.

PLEASE HELP!!:

THANK YOU~!!