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From: pevans@jarthur.Claremont.EDU (Paul Evans)
Newsgroups: comp.windows.ms
Subject: Re: Printscreen in W3
Message-ID: <10710@jarthur.Claremont.EDU>
Date: 8 Feb 91 02:13:35 GMT
Distribution: usa
Organization: Harvey Mudd College, Claremont, CA 91711
Lines: 5

In the Pif editor advanced options near the bottom of the window you can
mark the "hot-key" options that you don't want over ridden including 
printscreen.

hope it helps, i had the same problem.