wrong md5sum on knoppix DVD torrent?

[OErjan]

KNOPPIX_V6.2DVD-2009-11-18-EN.iso get wrong md5 with official torrent, the md5 file say
254ccc6098dc3adc261de94c44533ee6 *KNOPPIX_V6.2DVD-2009-11-18-EN.iso
I get a completely different on my latest download? the old one (another computer) is correct, any idea what is wrong?

[OErjan]

just asked the torrent program to check the file, it checked for a while, stopped and restarted the download??

[OErjan]

retried, second download ok