You may have a Matrox box? If so, try this:
“Adobe Encore may crash when you use the application for the first time after installing Matrox Mtx.utils. If this happens, turn off User Account Control
(UAC), then restart Adobe Encore. When you quit Adobe Encore, you can turn UAC back on. For details on how to turn UAC on or off, see your Windows documentation. (Ref# 54385)”