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[Franck Butelle <1745481@xxxxxxxxxxxxxxxxxx>]

Hello,
this is due to a known problem with libpng :

https://github.com/glennrp/libpng/issues/125

this file (and others have been patched in the trunk version of
marionnet

solution 1) reinstall marionnet with 
./marionnet_from_scratch -m trunk
You will get a far better up to date version of marionnet and its components

solution 2) correct each broken png file with some tool like

pngcrush -fix -force old.png new.png

or

optipng -quiet -force -fix foo.png


JV: time for a new release (at least for these png files) ?

** Bug watch added: github.com/glennrp/libpng/issues #125
   https://github.com/glennrp/libpng/issues/125

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https://bugs.launchpad.net/bugs/1745481

Title:
  [Ubuntu 17.10] On launch crash (Fresh install from scratch)

Status in marionnet:
  New

Bug description:
  Fatal error: exception GdkPixbuf.GdkPixbufError(5, "Failed to load
  image '/usr/local/share/marionnet//images/launcher-icons/marionnet-
  launcher.png': Fatal error in PNG image file: IDAT: invalid distance
  too far back")

  
  Script installation : http://www.marionnet.org/downloads/marionnet_from_scratch/marionnet_from_scratch

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