Issue or symptom

iTunes may display a message that it could not update iPod because the firmware file was corrupt or not found.

Products affected

• iTunes 7 or later
• Any iPod

Solution

The message does not indicate that there is an issue with the iPod but that iTunes was unable to read the firmware file it uses to restore or update your iPod. You can
Read more at: http://docs.info.apple.com/article.html?artnum=304309.