when i try to send a gif that i have saved from my desktop to someones comment. it gives the processing by dies not open never gets past zero does not load. I have tried on Chrome and it works but dos not on using firefox and facebook. I even tried with addons disabled and still will not work.. I get the comment box send the gif to it and it never goes does not process and yes i am using the latest version of Firefox.see it does not progress eeven if i write a comment. Am i doing something wrong can it be fixed so it will

Like  i said  i  tried in safe mode with all addon removed and no add blocker and  still does it