Posted: 2006-04-28T19:02:22-07:00
Convert flashes the MS-Dos window because it might have console output. To remove the window you need to build ImageMagick yourself and specify a different build option.
Use https://github.com/ImageMagick/ImageMagick/discussions instead.
http://www.imagemagick.org/discourse-server/
http://www.imagemagick.org/discourse-server/viewtopic.php?t=6475