On Fri, Aug 31, 2012 at 5:30 PM, Scott Kostyshak <skost...@lyx.org> wrote: > On Fri, Aug 31, 2012 at 10:37 AM, Ginsberg, Mark D ERDC-CERL-IL > <mark.d.ginsb...@usace.army.mil> wrote: > >> I am using WinXP SP3. I install MikTeX followed by LyX and many (not all) >> of the documents listed under "Help" simply do not export nor can they be >> reduced to any pdf form. I keep getting "Undefined control sequence". > > You are probably missing packages. > I would suggest that you go MiKTeX > Settings (admin) or similar, select 'Install packages' 'on-the-fly' then go to LyX > Tools > Reconfigure and restart LyX. You likely selected 'do not install packages on the fly' when installing LyX and thus you didn't get all the necessary classes and packages. (We've had some lengthy discussions on this list on this particular subject.)
Regards Liviu
