If you see an error in the 1400 range when you restore or update an iPod in iTunes
Make sure that you have the latest version of iTunes, try a different USB cable, then put the iPod in Disk Mode.
If you're using an iOS device, such as an iPhone, iPad, or iPod touch, follow these steps to resolve your issue.
When you restore or update your iPod in iTunes, you might see an alert message that says "An unknown error has occurred" followed by an error code in the 1400 range.
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