cards.txt is a GP4 file. Open it and change the old detaisl to the GF4 details.
Reinstalling the OS is the final option
You could use GPxPatch to skip the intro, and see what happens. If you are using a pacthed verison, and GPxPatch does not work, then renaming or deleting the intro.bik file will skip the intro movie
Racing Is Life. Anything that happens before or after is just waitingJesus may be able to heal the sick and bring the dead back to life, but he can't do shît for low fps