Tom Schlangen wrote: > Hi Lyx/Win Users,
> please be aware that updating MiKTeX 2.7 to current patchlevel as present in > its repositories since 09. July will leave you with a broken backend - you > will not be able to get any output - not even from the LyX help files. Tried > on 3 different XP machines. > LyX/Latex error output will be: > Undefined contro sequence. > LaTeX Error: Missing \begin{document}. You just have to rebuild the formats[1], since some language specific definitions have changed. Then everything should be working fine again. Regards, Dominik.- ________ [1] Button 'Update Formats' in 'Miktex Settings' dialog.