TurboTax FAQ
TurboTax FAQ
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Download Windows Installer 4.5 (applies to Vista and XP SP3 only)

Downloading a new or updated copy of Windows Installer can be used to resolve certain installation issues on Windows Vista and Windows XP SP3.

For Windows 7 and later, the installer that came with your operating system is the latest version.

Instructions

  1. Go to the Windows Installer 4.5 download page and click Install Instructions.
  2. Download and install the file that is appropriate for your operating system version and platform.
  3. Once that's finished, restart your computer and then try installing TurboTax again.

If the same problem persists after downloading the updated installer, try the steps in Microsoft Article ID 315346.


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