I am trying, but failing, to create a script to silently install a number of applications and the first app on the list is ActiveSync 3.8. I have followed the instructions in the OP regarding the source and decompression of ActiveSync 3.8 and I am using the following command in my .cmd script: ~%dp0 expands to 'E:\Software\ActiveSync_3.8\' so the command, which I echo to the screen to confirm, is: The decompressed files were copied to the E:\Software\ActiveSync_3.8 folder and is also the folder that contains my Silent.ini - the script also runs from this folder. When the command runs the Microsoft ActiveSync Setup dialog is displayed stating that it is preparing the install shield. Once this reachs 100% a Setup error is displayed: Any ideas or suggestions as to the cause if not the solution itself? Many thanks.