(lightdm-webkit-greeter:1213): GLib-GObject-WARNING **: gsignal.c:2462: signal 'show-error' is invalid for instance '0x9ef170' of type 'LightDMGreeter'

(lightdm-webkit-greeter:1213): GLib-GObject-WARNING **: gsignal.c:2462: signal 'timed-login' is invalid for instance '0x9ef170' of type 'LightDMGreeter'

(lightdm-webkit-greeter:1213): GLib-GObject-WARNING **: gsignal.c:2462: signal 'quit' is invalid for instance '0x9ef170' of type 'LightDMGreeter'
** Message: console message: file:///usr/share/lightdm-webkit/themes//antergos/index.html @79: Is random