[Tex/LaTex] LaTeX Error: Cannot determine size of graphic in title.png (no BoundingBox)

graphicsmiktexpdftexpng

I seem to be getting a strange error after updating MiKTeX 2.9. I am using pdfLaTeX and TeXmaker with the graphicx package to include .png images. When I try to compile, I get the error LaTeX Error: File 'title' not found. If I include the file extension, then the error becomes LaTeX Error: Cannot determine size of graphic in title.png (no BoundingBox). I wasn't getting these errors a few days ago when I started creating my presentation. It has also worked without problems in the past.

MWE:

\documentclass{beamer}
\usepackage{graphicx}
\graphicspath{{figures/}}
\begin{document}
    \title{title}
    \author{author}
    \date{date}
    \titlegraphic{\includegraphics[scale=0.5]{title}}
    \frame{\titlepage}
\end{document}

Also, from the logfile it seems that pdfLaTeX is not in PDF mode, and that all graphics are being treated as .eps: 

Package: ifpdf 2011/01/30 v2.3 Provides the ifpdf switch (HO)
Package ifpdf Info: pdfTeX in PDF mode is not detected.
...
File: title.png Graphic file (type eps)

Does anyone know how to fix this problem?

Best Answer

This problem was solved by renaming pdflatex.fmt and pdftex.fmt in the CommonConfig/miktex/data/le/pdftex directory and then recreating formats as "user".

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