Hi, Jordi CantÃn <jordinitrox@xxxxxxxxxxxxxxx> writes: > My problem is that when using the plugin gimp reports the following error: > > (gimp-color-manager:10169): Gtk-CRITICAL **: file gtkmain.c: line 1151 > (gtk_main_quit): assertion `main_loops != NULL' failed Which is not surprising since you connect the "destroy" signal of the dialog to gtk_main_quit() even though you are using the main_loop of GimpDialog. > I left the full source of the modified plugin in this link > > ftp://www.virtual-sub.org/gimp-color-manager.tgz This could need a good deal of cleanup. There's lots of traces of the plug-in-template in there that should be removed. Also may I ask why you used version 1.3.3 of gimp-plugin-template instead of the newer 2.2.0 release? Sven