The My DMX 1.0 dongle ONLY works on the 1.0 software, the My DMX 2.0 dongle works on BOTH 1.0 and 2.0 software.
What release date do you have of My DMX 1.0 software?
I have a March 26th 2013 My DMX 1.0 software version that you can download HERE.
Anymore questions?