I am using TeX Live 2010 on Windows 7, I am getting following error after installing the TeX Live 2010 again after HD crash. My programs working well with previous images but for new images following error is observed. Rest of the compilation work it performs correctly.
LaTeX Error: File `structure' not found.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...
l.600 \includegraphics{structure}
\documentclass{...}and ending with\end{document}. – Marco Daniel Feb 16 at 11:02