TurboTax Support

Error 4120: Can't initialize Darwin service

Error 4120 occurs when attempting to install .NET 2.0:

An internal error occurred while trying to initialize the Darwin Service.

To resolve this error, follow these steps:

  1. Cancel TurboTax installation.
  2. Close open windows and programs.
  3. Restart your computer.
  4. Install TurboTax.
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