Try Customer Support...they may be able to either screen share, or get a diagnostic file from you for them to examine.
What is the TurboTax phone number? (intuit.com)
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Huge numbers like that are usually the result of some decimal point error on an entry. Perhaps for a State Refund from last year that transfers from last year as Federally-taxed income.
Another strange issue someone had was that they were in Europe, and had set their computer to a Regional setting (Germany in that case). When a computer is NOT set to a USA regional setting, and is set for a European country.....depending on the EU country, they use decimals and commas there differently (like they use a Comma before the cents, and periods as thousands separators) and that totally confuses the USA-Set software, resulting in very strange and huge numbers that weren't actually intended in some areas, while not in others.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
