Just did an update to turbotax (desktop edition) and it no longer recognizes that activation code previously used (successfully) on this computer. How do I get it to recognize the computer again please?
I have a similar issue, in that having re-installed the program (downloaded TurboTax Premier 2024), I now get the message: "All available activations for that code have been used.Error code: 603" and the program won't run!
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