I'm using R 1.8.0 under windows XP.  I can't get certain of the graphics devices set up.  For example, when I copy this line directly from the "postscript" help screen, I get the error messages that follow it:

> postscript("foo.ps")
Error in PS(file, old$paper, old$family, old$encoding, old$bg, old$fg,  : 
        unable to start device PostScript
In addition: Warning message: 
cannot read afm file hvo_____.afm 

I have a similar problem with the pdf device (which I think is my preferred device for my present job):

> pdf("myfile.pdf")
Error in PDF(file, old$family, old$encoding, old$bg, old$fg, width, height,  : 
        unable to start device pdf
In addition: Warning message: 
cannot read afm file hvo_____.afm 

Any suggestions would be welcome.  

Dave Parkhurst
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