You cannot skip the registration screen because the server it needs to contact is no longer available. TurboTax only supports tax software from the last seven years, so they cannot provide/have access to a new key or patch for a 2002 product.
If you only need the information for your records, the Canada Revenue Agency is the most reliable source. You may request a copy of your assessment or a summary of your tax information slip for 2002. You can call the CRA at 1-800-959-8281.
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