i got the same problem. i am using 3.3v1u , the first time i ran the downgrader it downloaded and installed ios31 but that was it then it said to restart. i restarted and it would not play any trucha signed discs at all, in fact it told me the system files were corrupted, so i restarted again and it still would not play trucha signed discs ( it gives the error ). so i then tried the downgrader again and this time you hit A and it says hit any button to restart, it seems that it doesn't detected any trucha patched ioses but the system will not allow any trucha signed discs. any thoughts on the matter?