Well, I gave up and moved my software to the WPI dir. Not my preferred work around, but it was quick. REM Determine the WPI startup path. REM if wpi should run off the cd the replace %~dp0 with %cdrom%. set wpipath=%cdrom% REM Force resolution to needed size for wpi interface. --start %wpipath%\software\WPI\common\VideoChanger.exe 1280x1024x32@85 -q REM Hide this command window. "%wpipath%\software\WPI\common\cmdow.exe" @ /hid REM Font installation - the smooth and customizable way. start /wait %wpipath%\software\WPI\common\fonts\fontinstaller.exe REM Special registry tweak needed. regedit /s "%wpipath%\software\WPI\common\wpi.reg" REM Make WPI directory the current directory. for /f "delims=: tokens=1" %%i in ("%wpipath%") do %%i: cd "%wpipath%" REM Start WPI and wait for its end start /wait WPI.hta folders are like: cdrom:\software\wpi\applications\programs... and then in config.js, paths are like: %cdrom%:\\applications\\adobe\\etc