iPad crashs on iOS 4.3 update

My iPad keep crashing and iTunes reported a failure when I update to iOS 4.3 software. Here is the simple solution.* If your computer has been running anti virus software or firewall, disable them first.* Discount your iPad from the computer.* Hold down the ON/Off and Home button until locked apple logo disappears.* Make sure iTunes is the latest version and run it.* Hold down Home button at the