If there is an existing installation of Microsoft SQL Server Native Client on your machine then this must be uninstalled before trying to install NVivo.
It will be replaced during the Nvivo installation process.
You can uninstall this via Control Panel->Add/Remove Programs, look for the entry for Microsoft SQL Server Native Client and remove it.
Please suggest an improvement
(login needed, link opens in new window)
Your views are welcome and will help other readers of this page.
This is question number 1470, which appears in the following categories: