I have download the iso image (ver 5.0.1 EN ) and burn into a cd. It sucessful boot up but then it come to a halted with this message :

Accessing KNOPPIX CD at /dev/hdc.../cdrom/KNOPPIX/modules/insmod: 1 :syntax error - ")" unexpected
Can't find KNOPPIX filesystem, sorry.
Dropping you to a (very limited) shell.
Press reset button to quit.

i also found that the FAQ in the CD had change into unreadable character
The computer also had a hard time to detect the cd in both my windows based PC

I've tried the cheat code, nodma but it came out with the message :

Could not find Kernel Image

What is the cause of the problem?

My 1st PC specs:
P4 3.06Ghz with HT enable
SiS graphic card
SoundMax onboard chipset
Maxtor 40GB HDD
Samsung CD-RW drive
BenQ 16x DVD DL drive
512MB RAM

2nd PC specs :
P4 2.4Ghz without HT
Intel Onboard Graphic & Audio Chipset
LG CD drive
Samsung 60GB HDD
256MB RAM

Can anyone help me to figure our what the problem? Thanks in foward