The current version that Macs are having problems with may well be the first iteration made for Macs. I'm not sure if that's true, however, I'm willing to be patient until it's fixed for our machines.
We've got four macs. I attempted to try the program on one of them and got the same results as described above. Patience is a virtue of which I have plenty so I'll wait till the program is ready.
Rags.