How to fix iTunes Error 19 (or -19)

Question

How to fix iTunes Error 18 (or -18)

Answer 1

Full text: "iTunes could not sync with iPhone [ iPhone name ] due to an unknown error (-19) ". This error occurs when updating the iPhone 3G to a later version of the software, when attempts to back up iTunes for the iPhone synchronization process. To resolve this problem, follow these steps.

1. Uncheck "Automatically sync when your iPhone is connected" in the tab SummaryiTunes.
2. Make the iPhone.
3. Reconnect the iPhone.
4. Select "option Update . "