Got the same problem with the EU version....
But it did download 1.05 update of GT5
The comment of the uploader of my game:
Originally posted by another user
- Compatible with PS Jailbreak
- Install notes
1. Search for GAMEZ folder in your hard drive
2. Move folder BLXSXXXXX to GAMEZ folder
3. Run Back Up manager
4. Load the game
5. Enjoy
6. Files over 4GB
7. FW:
Sooo What now....
EDIT:
SOLUTION
GT5 REQUIRES BD-DVD!!!
PRESS SQUARE ON ROGERO MANAGER! THEN START THE GAME!!!!