hello I try how to intergrer variable%sourcedrive % and sourcepath % in xplode Example " work not " <item display='ACROBAT 6' > <execute display='Installing ACROBAT 6...' program='%SOURCEDRIVE%\App\acrobat6\acrobat6.exe' arguments='-p"-s /v\"/qn\""' /> </item> <item display='BOOTVIS' > <execute display='Installing BOOTVIS...' program='%SOURCEPATH%\I386\App\BootVis\bootvis.exe' arguments='/S' /> </item> <item display='DirectX 9b' > <execute display='Installing DirectX 9b' program='%SOURCEPATH%\I386\App\DirectX9\dxsetup.exe' arguments='/install /silent' /> </item> <item display='dotnetfx' > <execute display='Installing dotnetfx' program='%SOURCEPATH%\I386\App\dotnet\dotnetfx.exe' arguments='/Q:A /R:N /C:"install /Q"' /> </item> why