After an hour of session use mpone of the ICONS on the bottom bar of the screen can be left clicked. I can not initiate or activate a function/icon on the bottom bar. Desktop I-7 Haswell with 16 Gb DDR3 and SSD. I have no simliar issues with other Deb based Linux distros on the same pc.
Download the iso again. This was a broken iso which has meanwhile been fixed