joe install problems

[Russell Simmons]

i have been unsuccessful installing rpm's from my mandrake 6.0 dist
i am trying to install joe
at the cl i get a cannot open file message after i cd
/mnt/cdrom/mandrake/rpms
and rpm -i joe-2.8-9mdk.i586.rpm
in gnome after i mount the cdrom and select the package i get this
message:
failed to open /var/lib/rpm/packages.rpm

anyone have any ideas?
tia
russell