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Error 1334: Error installing C:\Program Files\Common Files\Intuit\TurboTax

SOLVEDby TurboTaxTurboTax Windows27Updated July 27, 2021

Error 1334 occurs when attempting to uninstall or repair TurboTax. You'll see a message like ApplicationController: MSI Install Exception occurred: MS installer error 1334. The exact wording in the message may vary, but Error 1334 is constant.

Solution

To resolve this issue, make sure you're logged in to Windows as administrator, then try to install TurboTax after each step is completed.

  1. Temporarily turn off your firewall and virus detection software.
  2. Check your CD and CD drive to make sure they're working properly.
  3. Follow the flush command steps in this help article located after step 7 (for the TurboTax CD) and step 14 (for the TurboTax Download).

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