Symptoms When restoring or updating an iPod in iTunes, you may see a dialog reporting “An unknown error has occurred” followed by the error number 1415, 1417, 1418, 1428, 1429, 1430, 1436 or 1439. Products Affected iTunes 7 for Mac, iTunes 7 for Windows, iPod nano, iPod shuffle, iPod mini, iPod, iTunes 9, iTunes 8 for Windows, iTunes 8 for Mac Resolution If you are experiencing these errors, begin by updating to the latest version of iTunes. When you have the current version of iTunes, try...