All, I've installed Miktex, the latest version. Then I installed Minimal Context following directions on: http://wiki.contextgarden.net/ConTeXt_Minimals Namely: Download and unzip context-setup-mswin.zip Run first-setup.bat, go for a coffee. Ran the setuptex.bat as descibed. NOw I have this metapost file: input mp-tool; beginfig(1); numeric u; 10u=4in; drawdblarrow (-5u,0)--(5u,0); drawdblarrow (0,-5u)--(0,5u); label.rt(btex $x$ etex, (5u,0)); label.top(btex $\phi$ etex, (0,5u)); pair A, B, C; A:=(0,0) scaled u; B:=(5,5) scaled u; C:=(5,0) scaled u; drawdblarrow B--A--C; draw anglebetween(B--A,C--A,btex $\theta$ etex); endfig; end. When I compile it: C:\temp>texmfstart texexec --mpgraphic jack.mp I get the strangest result. See: http://online.redwoods.edu/instruct/darnold/jack.pdf Bug? Log file: http://online.redwoods.edu/instruct/darnold/texexec.log