Error 1620: "This installation package could not be opened..."
Updated: 2/15/2013
Article ID: SLN12461
Error 1620: This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package occurs when installing TurboTax.
This error occurs when the Windows Installer cannot understand data that is being read from the TurboTax CD.
Solution
To resolve this error, follow the TurboTax CD troubleshooting steps.