i'll try that.And yes,grub is running.

edit:
Nope, I still get this error:
Code:
Booting 'Knoppix 3.8.2 Kernel 2.3 NFTS hda1 iso

kernel (hd0,0)/boot/knoppix.382/linux ect...

Error 19: Cannot Mout selected partition

Press any key to reboot