Quote Originally Posted by Waka View Post
trying to play GT on 550b2 and I keep getting " the game could not be started 80020148" errors.
I've decrypted eboot.bin, but no joy.

Any ideas?

W.
go into recovery mode (hold down right shoulder button on start)
then advanced, then advanced configuration and make sure that plain modules in UMS/ISO and execute BOOT.BIN in UMD/ISO are both disabled

I had the same problem and thought I was patching it wrong until I did this.