if an update breaks your xbox call microsoft and they may sen you a new xbox. support number: 1-800-4my-xbox
This message means that your Xbox 360 console has failed and must be repaired.
*The warranty period for the E74 error is three years from the original purchase date of the console. If your console is not covered by the three-year warranty period, you can still get your console repaired for a fee.
*only applies if the update did not give you the e74
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