Cannot install smartware

when I try to download the smartware I get this error message

error occured while attempting to create the directory C:\Program Data\Microsoft Windows\Start Menu\Program Western Digital\WD Smartware

Does anyone know hot to fix this error

Hello, try uninstalling any previous Smartware version you might have and then do a clean installation of the latest version. If the problem continues, try calling tech support directly. 

How to uninstall WD SmartWare Version 2.2.x and earlier from Windows (8, 7, Vista, or XP) and Mac OSX (10.4, 10.5, 10.6, and 10.7) 

Service & Support

Thank u for your suggestion. However, smartware is not installed so I cannot uninstall it.