Man, don't keep it bottled up for a week, plenty of folks on this forum willing to help you get it working!
Like Jeffry said, it's likely to be an issue with your Output Plugin setup or the FTDI drivers that must be installed in order for your computer to know how to communicate with the dongle. Most folks just run with two plugins; the "adjustable preview" for getting a rough visual playback of your yard/show while doing the sequencing and the "Entec DMX USB Pro" for actually sending a signal out of a virtual com port (physical USB port) to your Dongle ->Express.
Link to the drivers if you have not installed them yet:
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LoginAlso attached an image of the setup menus under Profile -> Manage
Good luck,
Mike E.