[NTG-context] MetaPost problem

Hell, When I was trying to use m-metapo.sty in LaTeX or pdfLaTeX I got the error messages below: This is pdfTeX, Version 3.141592-1.10b (MiKTeX 2.2) (preloaded format=latex 2000.11.28) 14 MAR 2003 23:00 **mpchi.tex (mpchi.tex{pdftex.cfg} LaTeX2e <2001/06/01> Babel and hyphenation patterns for english, french, german, ngerman, du mylang, nohyphenation, loaded. (C:\texmf\tex\latex\base\article.cls Document Class: article 2001/04/21 v1.4e Standard LaTeX document class (C:\texmf\tex\latex\base\size10.clo File: size10.clo 2001/04/21 v1.4e Standard LaTeX file (size option) loading : Context Support Macros / MetaPost Inclusion