hello

i took the hard disk from my old pc n put it in my new one .
all my fruity files n my recordings on that hard disk .
now ive got a new version of fruity 4 (studio) n it cant read most of
the old fruity tracks , some instruments painted in red n r not
recognize , all the recordings as well
even when i run them through the 3.4 fruity it cant recognize the
recorded parts
i will hate to lose all my music it will be so bad
please i need some help here
what can i do