./guiExample Segmentation fault (core dumped)

Hi Need some help, I have https://ubuntustudio.org/2015/08/your-chance-to-help-beta-testing/ 15.10
installed and of_v0.9.0RC1_linux64_release installed but as I try to work through the example I get a segmentation fault when I run ./guiExample obviously i've done something wrong any suggestions ?