Root Certificate Update
The PXI Installer (Pickering PXI Driver Package - v3.5x.xxx) is unable to install WinDriver on Windows XP machines if the Root Certificate is not updated and during the installation following message appears
In order to update root certificate, please visit the following link: https://www.microsoft.com/en-us/download/details.aspx?id=26609
Please note that Root Certificate update is not part of automatic Windows update and has to be updated manually.