I have a first generation iPod Touch that is jail broken, recently when i plug in my iPod i get a error message in iTunes, and the iPod isn't showing up in the side bar. I recently updated my itunes to 9.0.2 and I jail broke the iPod a few days before that and it synced just fine. The error i get in iTunes says "itunes could not connect to this iPod because an unknown error occurred (0xE8000022)"