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posted Sep 28, 2024 11:00:30 AM

Turbotax 2021 it says it updates 100% then gives the message: "Failed to update. Microsoft Installer error:1603". Check for solution says there is none. What now?

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Level 15
Sep 28, 2024 11:05:18 AM

See https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-delivery/error-1603-fatal-error-occurred-installation/L0QVgZpOi_US_en_US