UnKnowN Error 1016

UNKNOWN ERROR 1016 HAS WIPED OUT MY iPHONE 3G PHONE. IT OCCURED WHEN I WAS UPDATING THE MOST RECENT SOFETWARE UPDATE. THE PHONE IS STUCK ON A ITUNE W/USB PICTURE ON THE SCREEN. I'VE REBOOTED THE COMPUTER, TRIED TO UPDATE ON A DIFFERENT COMPUTER. WHAT NEEDS TO BE DONE?