While doing an 'apt-get install' on the new 12.04.4 release, I got the following message in the output to the terminal... '/usr/share/menu/lxrandr: missing required tag: "section" '
Found the problem...the file /usr/share/menu/lxrandr had a broken first line; I fixed it by adding a '\' at the end of the first line and retested and it's okay now and mine looks like this now: