title: pandoc document conversion failed with error 43 : pdflatex: The memory dump file could not be found
body: <p>RStudio : 0.98.994
  OS: Microsoft Windows 7 Ultimate Edition, 64-bit Service Pack 1
  MiKTeX: 2.9.4503</p>
  
  <p>Hi,</p>
  
  <p>I get the following error when I try to knit a PDF document.</p>
  
  <p>pandoc.exe: Error producing PDF from TeX source.
  This is pdfTeX, Version 3.1415926-1.40.11 (MiKTeX 2.9)
  pdflatex: The memory dump file could not be found.
  pdflatex: Data: pdflatex.fmt</p>