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./test.tex:15: Undefined control sequence.
l.15 \onehalfspacing

./test.tex:37: Package pdftex.def Error: File `capture.png' not found: using draft setting.

See the pdftex.def package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.37 ...egraphics[width=\columnwidth]{capture.png}

\documentclass[12pt,a4paper]{report}
\usepackage{geometry}				\geometry{letterpaper,left=1in,right=1in,top=1.3in,bottom=1in}
\usepackage{graphicx}

\begin{document}

\renewcommand*{\thefootnote}{\fnsymbol{footnote}}
\chapter{Ich bin eine Ueberschrift\protect\footnote[1]{Ich bin eine Fussnote}}
\renewcommand*{\thefootnote}{\arabic{footnote}}

\subsection*{Abstract}
\begin{quote}Text
\end{quote}

\onehalfspacing
\section{section}
Mehr Text.
\begin{equation}
y=,
\label{eq:}
\end{equation}

\begin{table}%
\centering
\begin{tabular}{ccc}
cell1 & cell2 & cell3 \\ 
cell1 & cell2 & cell3 \\ 
cell1 & cell2 & cell3 \\ 
cell1 & cell2 & cell3 \\ 

\end{tabular}
\caption{First table in chapter 1}
\label{tab:1}
\end{table}
%
\begin{figure}%
\includegraphics[width=\columnwidth]{capture.png}%
\caption{First figure in chapter 1}%
\label{fig:1}%
\end{figure}

\end{document}

\documentclass{book}
\begin{document}
\chapter{Test\protect\footnote{Testfußnote}}
\end{document}