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From: rubywand@aol.com (RUBYWAND)
Newsgroups: comp.sys.apple2
Subject: Re: Disappearing GS/OS filetypes caused by Print 3200?
Date: 7 Dec 1995 10:59:43 -0500
Organization: America Online, Inc. (1-800-827-6364)
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In article <6DEC199522035331@vax2.concordia.ca>, spector@vax2.concordia.ca
(Mitchell Spector) writes:

>
>	I've been having a problem with filetypes disappearing in
>Finder 6.0.1 for over a week.
>
>	I finally tracked down the source of the problem, it seems to be
>BRCC's "Print 3200" program. After it's installed on one of my partitions
>it updates the Desktop file in the /Icons folder (or creates one if none
>exists). Copyright information and the path the program is located is 
>added to the Desktop file. The problem is, as soon as this occurs, I 
>experience the problem described above -- a blank space replaces certain
>filetypes in the Finder. If I purge the Desktop file it's created, the
>problem is gone, but _returns_ as soon as I launch Print 3200 again (it
>updates the Desktop file each time). Can someone tell me if this is a bug
>in Print 3200 or perhaps something else with my setup? 
>
    Exactly this situation was encountered several months ago. The program
was 3D-Logo from ByteWorks. Evidently, System 6.0.1 failed to implement an
expected feature (i.e. a Desktop file).  Programs which expect to update
Desktop end up bombing some icon filetype info.

    Try this: First, restore your icon stuff so that everything works
correctly. Rename an icon file to "Desktop". Now, there is a Desktop file
to update.

    It would be nice to have some idea of just what's happening; but, at
least, the fix seems to work. Running Print 3200 should no longer mess up
your filetypes.