Need help with saved games for Gran Turismo 5 prologue

for some reason i did delete the saved game file on my ps3, and when i starting up gt5p i have noting.
i used to have all the cars and good with money, missed some gold but almost finish.
so the big problem, when i try to upload saved games thrugh usb nothing happends, i can upload but the game dont load the files. i do see that the game files name are bcus***-game for the file i can download. the file from my ps3 start with npea*****-game. i have tryed to replaced the inside files but then i got an error. corupt files. if i use the real folder name i can import the file but gt5 wount read it.

please help.

Flubber

ps. i have tryed bouth files from download parts on this site. for prolouge and prolouge speclll with the same resault.

sry for bad english.

[Skelator03]

they might not work i would look around and see i dont know about that game some saves are locked some are not