Having time to look into this a bit further, it seems actually to be a
bug. The extras-repository has been given up for releases > 15.04 in
favour of the packages "restricted extras-*buntu" To my rememberance on
installation of Wily-Kubuntu this repository was not marked as active as
a standard,
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Reviewing your log files attached to this bug report it
seems that there is a problem with your installation media (CD/DVD).
You can verify the integrity of the Ubuntu ISO files you downloaded by
following the
Thank you for your quick reply.
After trying a different installation (LinuxMint KDE)with the same
resulting bug I searched the Linux Forums wherein some of the experienced
Linux users did not hold Unetbootin in high regard so I concluded the
problem was in my Unetbootin Live USB software.