I got ConTeXt working on this machine, but mptopdf indeed seems to be broken.
c:\Documents and Settings\Uporabnik\My Documents\test>mp example
(example.mpCreating example.mpx...
This is pdfTeX, Version 3.1415926-1.40.9 (MiKTeX 2.7)
entering extended mode
(C:/DOCUME~1/UPORAB~1/LOCALS~1/Temp/mik55214/mpx314.tex
LaTeX2e <2005/12/01>
Babel and hyphenation patterns for english, dumylang, nohyphenation, sl
ovenian, loaded.
("C:\Program Files\MiKTeX 2.7\tex\latex\base\article.cls"
Document Class: article 2005/09/16 v1.4f Standard LaTeX document class
("C:\Program Files\MiKTeX 2.7\tex\latex\base\size10.clo"))
("C:\Program Files\MiKTeX 2.7\tex\latex\base\inputenc.sty"
("C:\Program Files\MiKTeX 2.7\tex\latex\base\latin9.def"))
("C:\Program Files\MiKTeX 2.7\tex\latex\base\fontenc.sty"
("C:\Program Files\MiKTeX 2.7\tex\latex\base\t1enc.def"))
("C:\Program Files\MiKTeX 2.7\tex\latex\amsmath\amsmath.sty"
For additional information on amsmath, use the `?' option.
("C:\Program Files\MiKTeX 2.7\tex\latex\amsmath\amstext.sty"
("C:\Program Files\MiKTeX 2.7\tex\latex\amsmath\amsgen.sty"))
("C:\Program Files\MiKTeX 2.7\tex\latex\amsmath\amsbsy.sty")
("C:\Program Files\MiKTeX 2.7\tex\latex\amsmath\amsopn.sty"))
("C:\Program Files\MiKTeX 2.7\tex\latex\amsfonts\amssymb.sty"
("C:\Program Files\MiKTeX 2.7\tex\latex\amsfonts\amsfonts.sty"))
No file mpx314.aux.
("C:\Program Files\MiKTeX 2.7\tex\latex\amsfonts\umsa.fd")
("C:\Program Files\MiKTeX 2.7\tex\latex\amsfonts\umsb.fd") [1] [1] [1] [1]
[1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] (mpx314.aux) )
Output written on mpx314.dvi (19 pages, 2344 bytes).
Transcript written on mpx314.log.
Done.
[1] )
1 output file written: example.1
Transcript written on example.log.
c:\Documents and Settings\Uporabnik\My Documents\test>mptopdf example.1
This is pdfTeX, Version 3.1415926-1.40.9 (MiKTeX 2.7)
entering extended mode
(example.1 [MP to PDF]
! I can't find file `0'.
<to be read again>
\relax
\processMPfile ...vbox {\convertMPtoPDF {#1}{1}{1}
}\ifdim \wd 0<1in \message...
l.19 0
0 0 setrgbcolor 0 0.5 dtransform truncate idtransform setlinewidth pop
Please type another input file name:
! Emergency stop.
<to be read again>
\relax
\processMPfile ...vbox {\convertMPtoPDF {#1}{1}{1}
}\ifdim \wd 0<1in \message...
l.19 0
0 0 setrgbcolor 0 0.5 dtransform truncate idtransform setlinewidth pop
! ==> Fatal error occurred, no output PDF file produced!
Transcript written on example.log.
c:\Documents and Settings\Uporabnik\My Documents\test>mptopdf example.mp
This is pdfTeX, Version 3.1415926-1.40.9 (MiKTeX 2.7)
entering extended mode
(example.mp [MP to PDF]
! I can't find file `verbatimtex'.
<to be read again>
\relax
\processMPfile ...vbox {\convertMPtoPDF {#1}{1}{1}
}\ifdim \wd 0<1in \message...
l.2 verbatimtex
Please type another input file name: ^\
! Emergency stop.
<to be read again>
\relax
\processMPfile ...vbox {\convertMPtoPDF {#1}{1}{1}
}\ifdim \wd 0<1in \message...
l.2 verbatimtex
! ==> Fatal error occurred, no output PDF file produced!
Transcript written on example.log.
(I did not yet move files around, but will try.)
Mojca