1) make absolutely sure you have all of the most recent Microsoft updates installed....and reboot even if you don't find any. Partially-installed or waiting Microsoft OS updates are known to block TTX installations.
2) then try again.
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Still no go?
Other than calling Customer Support.....I'd be sure that you have the most recent versions of Microsoft Visual C++ installed.
See the following conversation:
Turbotax 2024 Desktop installation
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
