MP3 Update Tool not working
 

Im trying to flash a full firmware to my dead player. After I start, I get this screen:

http://img435.imageshack.us/img435/336/mp3utqy9.jpg

And MP3 Update Tool stops to answer. Im using 3.68 version.

With some versions, I get this screen:

http://img347.imageshack.us/img347/2131/mp3utvc3.jpg

I tried with version 3.06, 3.7, 3.75, 4.0, 4.03, 4.07, etc, etc with the same result. And tried with a lot of full firmwares.

Any idea?