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Error: "A version of TurboTax is already installed..."

The following message can appear when installing TurboTax (similar messages may occur in older versions as well):

A version of TurboTax 2019 is already installed. You need to remove it before you can install this version. To remove TurboTax, use Add/Remove Programs on the Control Panel.

This happens when a previous TurboTax installation didn't finish installing or uninstalling, leaving it in a broken state. The remaining files are detected by the TurboTax installer, which then thinks the program is already installed.


Uninstall TurboTax and then reinstall it.

If that fails:

  1. Forcefully uninstall TurboTax.
  2. Manually delete these three folders (replace XX with the 2-digit tax year):
    • Windows 7 and Vista
      • C:\ProgramData\Intuit\TurboTax\TYXX
      • C:\Program Files\TurboTax\[version] 20XX, where [version] is Basic, Deluxe, Premier or Home & Business
      • C:\Users\[user]\AppData\Roaming\Intuit\TurboTax\TYXX, where [user] is your user name
  3. Install TurboTax again.

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