[reypescador]

I'll try to explain myself a little bit better.
I've read the Sigmatel recovery guide and I got my device into recovery mode by pressing the play button 10 seconds and so on.
Then I start the firmware uploader program (it came in a CD with the player) it detects that the device is not initialized and shows me a screen with some information(current firmware version is 000.000.000 and firmware version to upload 866.166.403, I'm not sure of these numbers). At this moment in my hardware appears a "Generic MSCN USB unit". The program allows me to initiate uploading. After a few seconds the player's screen ligths and shows "READY" (an icon with a PC connected) and the firmware´s version number (same as the firmware version to upload).
After a while I get the error message "Operating system reported error. The semaphore timeout period has expired".
I don't know where the problem is (Windows XP?, bad firmware's version?, ...).
Thanks for your help and your patience