[NTG-context] mtxrun.lua:2167: stack overflow

Hi all, I use ConTeXt MkIV version: 2010.03.10 23:47 withTeXworks,it doesn't work. the error message:E:\context\tex\texmf-mswin\bin\mtxrun.lua:2167: stack overflow tools configuration: name=ConTeXt MkIV program=mtxrun arguments=--autogenerate, --script, context, $synctexoption, $fullname showPdf=true