TurboTax FAQ
TurboTax FAQ
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Error 10366: "Not installed properly, reinstall"

Error 10366: Not installed properly, reinstall may occur when running TurboTax, if certain program files are missing or damaged.

Solution

  1. Uninstall TurboTax.
  2. Reinstall TurboTax and open it again.
  3. If problems persist, go through the Troubleshooting Installing and Running TurboTax checklist.

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