Error 100 when using TurboTax 2009
This error occurs when using TurboTax 2009.
Most customers are able to complete their installation successfully by uninstalling and reinstalling the program.
Please use this article if you want more information about the uninstall/reinstall process:
If you receive any other error messages, please search our support site for the specific error message. We should have steps to assist you based on the message you receive.