LaTeX.org

Thank you for your help.
Unfortunately it still doesn't work. I tried TeXMaker.
When I tried to compile it get me an error message:
! LaTeX Error: File `article.cls' not found.
I don't know why, because in this localisation there is a file article.cls :((((
When I try to point out it, and put this ...

\documentclass{article}

\begin{document}
dokument
\end{document}
It compiles correctly from Windows command line. But not in LEd :(

This is the message from the compiler.
This is pdfTeX, Version 3.1415926-1.40.10 (MiKTeX 2.8)
entering extended mode
! Undefined control sequence.
<*> C:\Temp ...

Led do not compile any document writen in tex.
After click on compilation button nothing happen at all.
Thought, that problem is in uncorrect path. This path is (in option)

C:\Program Files\MiKTeX 2.8\miktex\bin\latex.exe

There is obviously this file in bin folder but after try to compile I get ...