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Get your taxes done using TurboTax
Please see the below TurboTax Help Article for assistance with troubleshooting the 1603 error.
Error 1603: "A fatal error occurred during installation or updating"
If the steps in the help article do not work, please see the link below to contact one of our TurboTax representatives:
What is the TurboTax phone number?
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March 26, 2021
12:46 PM