The license code you entered is not valid. Error code: 606

[CORENCIO]

Recently bought bought a TurboTax license at Costco, when trying to activate the software I'm getting the error using the license code.

[senseca]

This happened to me last year, and I took it back to Costco.  They gave me a new license.  They said they don't normally do this, but I have been a long term Costco customer without issue, so they did replace it.

[NicolleR1]

Error code 606 means the code you are entering is invalid. It can be because one digit (or more) is incorrected or you are trying to enter a Code for TurboTax Online in a Desktop software (or vice versa). The codes for TurboTax Online will not work with TurboTax Desktop & vice-versa. 
 

Contact TurboTax Customer support for additional support
 

TurboTax Phone Number

[kaygee7]

I bought my turbotax at Walmart and I am entering the licence code I received in the package and I have checked it 3 or 4 times to make sure it is entered correctly, what should I do !!

[CatinaT1]

I would take it back to Walmart and do an exchange.