If typing in your full physical street address results in an "Invalid Address" error, try the following:
Type your address into Google Maps (http://maps.google.com). Does Google Maps find your address? If so, did it reformat your address in the process (i.e. did it change the postal code, street type, etc.)? Try typing in the reformated address into audio|acacia to register your network.
If Google Maps could not find your address, search for something near your home address (to bring up a map of your surrounding area) and then right click on the map where your home is and select the "What's Here?" option. It should hopefully return the address it believes exists at that location.
If neither of these suggestions work, please contact technical support here: http://www.plethra.com/resources/support