Upgrade from cd Not working

[lordbux]

I get this problem as well.

I tried upgrading from 7.(something) GUSTY I MEAN to 8.10 using CD
ubuntu-8.10-desktop-i386 :KS

I followed the instructions Here and mounted the ISO as a drive.:lolflag:

After running
'kdesudo "sh /cdrom/cdromupgrade"'
i get an error
sh: Can't open /cdrom/cdromupgrade:confused:

pleas...someone help me...i am in big trouble here
i need to get this updated somehow:confused::guitar:

thanks in advance
:P