thanks.
* yes GNU/linux, I know I just forgot/mistyped.
* yes I updated from the terminal as you suggest but it only fixed the
software updater gui.
* Freenetbootin looks challenging to install for my current level of
knowledge. I'm not averse to compiling things, i just haven't had much
success with it so far and I don't have unlimited time to throw at it. I had
tried to install unetbootin, but sourceforge appears to be down and it isn't
in the trisquel repo.
* I'm not sure I undersand the system well enough yet to report bugs
formally, but i'll look, thanks.