This error has shown up earlier in the season. I'm sharing with you a TurboTax article that explains some workaround options. Hopefully you'll find this information helpful.
TurboTax 2019 requests license activation at every launch
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*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***