Is the cd burned as an iso? Try getting a newer version from the get knoppix link above. Or try here ftp://ftp.freenet.de/pub/ftp.uni-kl....4-08-16-EN.iso is an english version of 3.6
ftp://ftp.freenet.de/pub/ftp.uni-kl....4-12-08-EN.iso is an english version of 3.7