Try to install the single components from the DVD manually, do not use the installer from path "\Setup\Setup.exe"
Install following components from the DVD:
\Driver\MSI\netANALYZER - netSCOPE Driver x64.msi
\Driver\netANALYZER Remote Access Windows Client.exe
\Software\netAnalyzer.msi
\Software\EnDevConfigTool.msi