Do not close your TurboTax window to access your email account. Use a new window for the email account.
See this for the verification code - https://ttlc.intuit.com/community/security/help/what-if-i-m-having-trouble-with-my-filing-verificati...
See this to update your TurboTax account for an email address - https://ttlc.intuit.com/community/account-updates/help/how-do-i-update-my-turbotax-account-informati...
