I always used xpdf and never had an issue, although i use the Motif versions (xpdf4 seems to have switched to Qt). As for a browser with a normal UI, Firefox c

I always used xpdf and never had an issue, although i use the Motif versions (xpdf4 seems to have switched to Qt). As for a browser with a normal UI, Firefox comes hamburgerized out of the box but you can easily bring it back to relative sanity by making the menubar always visible and choosing the "compact" mode from the density option.