I just tried what you suggested, I installed the legacy NI-DAQ for 6.9 and 7.4, which if I read correctly had the files from 5-7.4 and the files I installed with 8.5 should cover me from 5-8.5. It is still not finding the files that I need. It is looking for a directory called 1easyio.llb and the first file it ask for is AI Acquire Waveform (scaled array).vi. Does any have any insight into what is going on?