[pdftex] thumbpdf & libpng error

[E GCP]

<br><br><br>Hi!

You probably have seen this error before, but the pdftex archives are not 
searchable.

I have RedHat Linux 7.0 with libpng-1.0.8-1

When I try to use thumbpdf to create thumbnails for a PDF document I get the 
error below. What do I need to do to fix it.

Thanks,
egcp
----
THUMBPDF 2.10, 2001/04/02 - Copyright (c) 1999-2001 by Heiko Oberdiek.
*** make `thumbpdf.pdf' / run pdfTeX ***
libpng error: Application must be recompiled; version 1.0.6 was incompatible
!!! Error: Closing pdfTeX (exit status: 255)!
----
The thumbpdf.log is shown below:
----
This is pdfTeX, Version 3.14159-13d (Web2C 7.3.1) (format=pdftex 2000.7.19)  
24 SEP 2001 15:14
**\nonstopmode\pdfcompresslevel9\def\thumbjob{dissertation}\def\thumbmax{31}\in
put thumbpdf
(/usr/share/texmf/tex/generic/thumbpdf/thumbpdf.tex
File: thumbpdf.tex 2001/04/02 v2.10 Including thumbnails as images (HO)
****************************************************************
* Generating `thumbpdf.pdf', each page with a found thumbnail. *
****************************************************************
\thumbcount=\count26
\thumbread=\read0
\thumbfound=\count27
* Looking for thumbnails 0..31:

Error: pdftex (file thb1.png): png_create_read_struct() failed
----


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