Try to uninstall i Tunes, restart computer, install again. i Tunes expected the device to be in a different state (Example: booted into i OS rather than jumping to i BEC).
This error also occurs for i Tunes in Windows 8 for reasons currently unknown. Occurs when device is unplugged while the "i Tunes will erase and restore your i Phone to i OS #.# and will verify the restore with Apple." dialog is shown. Errors 2000-2009 (from KB TS3694): If you experience this issue on a Mac, disconnect third-party devices, hubs, spare cables, displays, reset the SMC, and then try to restore.
If that happens, i Tunes will throw an error message at you, but not necessarily explain why.
Check to see if you can pinpoint a particular song it’s trying to transfer. Note, this could also be caused by a hardware conflict.
Here is a list of i Tunes errors that could appear during a restore or a USB connection via i Tunes: This error happens if you are logged out, try to download something from the i Tunes Store and if you click on "Download" and enter an account, which doesn't have this article, this error will occur. Use Tiny Umbrella and "Kick Device Out Of Recovery" to boot.
Some have seen success afterwards by doing the downgrade from DFU mode instead of the normal Recovery mode. This is caused by a failure to match the Baseband Nonce currently in memory to the nonce returned in the Baseband Firmware SHSH blob.
Have you searched through many an i Pod/i Tunes forum looking for answers and yet still don’t know what’s wrong? Surely they didn’t have to resort to registry hacking to fix this? In the meantime, here’s a compiled list of the most common i Pod sync problems and the easiest steps you can take to work out how to fix them. It’s advised that you do an i Tunes backup and an i Pod/i Phone backup before you try any fixes.Create a new admin account on your machine, open i Tunes (which will be a new library), then attempt to sync your i Pod with this new library.