Thanks Paul. I tried both to "update formats" and install packages with no good results. I was kind of in a rush, so I reinstalled MikTeX and it worked.
I have been having many problems with MikTeX 2.9... I am kind of fed up... Regards. ------------------------------------------------- Julio Rojas jcredbe...@gmail.com On Mon, Aug 5, 2013 at 7:29 PM, Paul Rubin <ru...@msu.edu> wrote: > Two things come to mind. First, open a DOS window and run the command > > kpsewhich ecsi.mf > > It should tell you where the ecsi font source code is installed (probably > in > the jknappen package). If you get a blank line as the response, you need to > install a package containing the font. > > If the font is installed, try opening the MiKTeX settings application and > clicking the "update formats" button. I vaguely recall one or two occasions > where installation or update of packages through the package manager > somehow > bollixed the formats, leading to font errors (on installed fonts); updating > formats seemed to fix it. > > Paul > > >