HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall contains a list of applications installed on a computer. you could check against that list. Alternatively, you can check for the presence fo the executable and its version number if you nknow where exactly the application is installed.

The utilized commands are depending on what exactly you try to accomplish. Most likely you will need to create unattended installations with the respective installation prgrams. Microsoft Office applications can also distributed with GPOs and the Custom Installation Wizard.

[ 13 April 2002, 00:04: Message edited by: sealeopard ]
_________________________
There are two types of vessels, submarines and targets.