Upgraded iTunes to 10.5.0.142. Plugged in the iPad running iOS 4.3.3. Started iTunes. Tried to perform a backup. Hung. Tried to quit. No dice. Forced iTunes shutdown with Task Manager. Disconnected iPad. Performed soft reset on iPad. Reconnected iPad. Started iTunes. Tried to sync apps. Error message. Retried backup. Error message. Disconnected iPad. Hard reset… [Read More]