I have an old application developed by Cremsol, no longer in business, called EZ-Server. This app requires a serial dongle key. Everytime I try to launch it Device unavailable error 68 pops up. I assume the app is looking for a specific ocx or dll or can't find the Sentinal drivers. Is there anyway to determine what exactly this old app is looking for, but can't find? The OS is 32 bit Win XP SP3.