Try using this batch file to enable a network WPI installation: @ECHO OFF SETLOCAL ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION SET SHARE=\\SERVER\SHARE TITLE Running WPI from "!SHARE!"... PUSHD "!SHARE!" ECHO.Mounting "!SHARE!" to "!CD!"... PUSHD WPI ECHO.Starting WPI... START /wait wpi.hta POPD ECHO.Unmounting network-drive... POPD