Please see the below TurboTax FAQ for assistance with updating your mailing address:
https://ttlc.intuit.com/community/account-updates/help/how-do-i-update-my-turbotax-account-information/00/25927
following the link provided did Not solve the problem
To update your TurboTax Advantage account, see this TurboTax support FAQ - https://ttlc.intuit.com/questions/1900547-how-do-i-update-or-confirm-the-information-in-my-turbotax-...
And if you have moved put in a forwarding with the post office.