problem with metapost

[Herv� Rouault]

Hi,   I try to install PPchTeX without any result. I get the message : systems        : begin file essai2 at line 5 Randomizer initialized to 1239237573. figures        : figure essai2-mpgraph can not be found figures        : figure essai2-mpgraph can not be found layout         : calculating backgrounds [1.1{psfonts.map}] systems        : end file essai2 at line 23  )<cmtt10.pfb><cmr9.pfb><cmr12.pfb>     What's wrong with metapost?   In the archive I found a message from Denis B. Roegel about the same problem but I can't find his solution...   Herv�