I'm trying to install silently the HP Precision Scan software going with my scanner driver. First when you install the software, it also install the drivers, so there's no real use in integrating driver before (even when you integrate drivers the problem still occurs)... HPPS is installing with installshield. So as usual I started with a setup.exe -r to get the setup.iss file in \Windows and paste it in the installation folder. Then I launched the installation with setup.exe -s to make it silent. It works fine until in the middle of the installation it asks me which driver (usb or parallel) I want to install. Apparently the installation launch this as an other processus during the installation, and it's quite annoying as it's not taken in consideration in the setup.iss. If you have any idea...