LaTeX.org

Hi,

I have a problem.

I am using miktex 2.8 and texniccenter.

These are the packages I am using:
\documentclass[12pt]{article}
\usepackage{amscd, amssymb, amsmath, verbatim, pxfonts, setspace}
\usepackage{rotating}
\usepackage{natbib}
\usepackage{appendix}
\usepackage{rotating}
\usepackage ...