TurboTax FAQ
TurboTax FAQ
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Error 5645 Installing or Launching TurboTax

Error 5645 can occur while installing or launching TurboTax.

Error 5645 Installing or Launching TurboTax

If you have received error 5645 using Turbo Tax Desktop version, please follow the steps below to uninstall and reinstall Turbo Tax to your computer.

To uninstall Turbo Tax, please click here to be taken to our article on how to uninstall Turbo Tax.

Please turn off any security software or firewalls before reinstalling Turbo Tax.

To reinstall Turbo Tax, please click here to be taken to our article on how to reinstall Turbo Tax.

If these do not resolve the issue, please click here to be taken to our article on how to forcefully uninstall and reinstall Turbo Tax.


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