If you receive an error code that says, "The license code you entered is not valid. Error code: XXX", it means the code you're entering is either not valid for that product or is no longer active. Check that you're entering the code exactly as it appears on your CD insert or copy and paste it directly from your Downloads.
If you receive an error code with a message saying, “All available activation's for that code have been used,” that means your code has already been used the maximum number of times, and therefore can’t be used to install the software on another computer. TurboTax can be installed on up to five computers using the same license code. If you have not used it on five computers then contact us for assistance.
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