TurboTax FAQ
TurboTax FAQ

Error 4096: Invalid parameters

Error 4096 occurs when attempting to install .NET 2.0:

Improper usage/invalid parameters.


To resolve this error, you need to reinstall .NET 2.0.

Follow these steps:

  1. Cancel TurboTax installation (if necessary).
  2. Do one of the following:
    • On your TurboTax CD, navigate to dotnetfx.exe in the NET folder, and then¬†double-click¬†dotnetfx.exe to install it.
    • Click here to download and then install dotnetfx.exe from the Microsoft site.
  3. Close open windows and programs.
  4. Install your TurboTax CD or download.