I'm getting an error code 9 when trying to restore apple tv 2 thru iTunes any suggestions?

I'm getting an error code 9 when trying to restore apple tv 2 thru iTunes any suggestions? the error comes up when itunes tries to verify the update. I hook the apple tv back to tv and says I need to connect to itunes. the original problem was the power went out and the apple tv light kept blinking. I tried restarting it but would not work. Any Suggetstions? Thank you.