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Error 1646 installing quickbooks.msi uninstallation of the update package is not supported

You may see this prompt if you are installing QuickBooks Desktop Premier on a computer where QuickBooks Desktop Pro of the same year is installed, or when installing QuickBooks Accountant on a computer that already has a Premier installation of the same year.

Error 1646 installing quickbooks.msi uninstallation of the update package is not supported

You will need to reinstall using a clean install before installing QuickBooks Desktop Premier or Accountant to resolve this.

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