hi all I did use new texexec provided by hans. I did do texexec --make en metapfun. but there is no improvement. have missed any details. Can this .tmp file generated by winedt after compilation of any file will help. This .tmp file is talking about mpostbatchswitch. nothing else. can this be of help to you. otherwise, I will reinstall miktex completely a fresh Thanks all. %tmp file attached------------ % negative.top \unprotect \def\MPOSTbatchswitch {--interaction=batchmode}\def\MPOSTnonstopswitch {--interaction=nonstopmode}\def\MPOSTformatswitch {--alias=mpost --translate-file=natural.tcx --undump=}\setupsystem[\c!directory={H:/}] \setupsystem[\c!n=1] \setupsystem[inputfile=negative.tex] \protect %------------------------------------------------ __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com