*** This bug is a duplicate of bug 1138473 *** https://bugs.launchpad.net/bugs/1138473
I got this error as I wrote a plugin for firefox. I used the basic plugin outline from: <http://stackoverflow.com/questions/8507670/basic- plugin-npapi-npruntime-hello-world>. When I want to initialize Gtk3 (gtkmm) in the NP_Initialize function with: Gtk::Main::init_gtkmm_internals (); then it hangs and I got the following (same) errors: (plugin-container:21564): GLib-GObject-WARNING **: cannot register existing type `GdkWindow' (plugin-container:21564): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed I guess the error commes from because firefox uses Gtk2 and when a plugin used Gtk3 then there are so strange errors. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1085972 Title: firefox defuncts if started from the xfce internet menu, works in shell To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1085972/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs