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.