Try updating your TurboTax account information by following the instructions in the TurboTax FAQ I'm linking below. After updating your info, you should then be able to login to your account.
How do I update my TurboTax account information?
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Trying to login want take my password have changed several times.
Please clear your cache and cookies if you are being prompted to reset your password every time you try to log in.
To clear your cache use this TurboTax FAQ
To delete your cookies use this TurboTax FAQ