my logos 4 software will not install off of the software disc onto my mac. I place the disc into the computer the disc icon comes up on my desk top screen and a window opens with 2 icons in it, one in the bottom left of the window and, and one in the top right. When I clic on the top right icon it acts as if it is going to open i here the disc spinning in the computer and the same icon appears for a split second on my dock then disappears and nothing happens after that what am i doing wrong
