Try this version. Download both files.
with this version you do not need to install to the program files X86 directory, you can just install it in the default location and then copy the siudi stick 32_64 bit drivers files to the my dmx folder and use device manager to point the driver location to the my dmx folder. Understand? So uninstall my dmx delete the my dmx folder and then reboot your Pc then install the version i linked you too. If you need help feel free to let us know,