I am using Firefox browser and up until today i have always been able to download videos and photos stories from Instagram to my desktop. I can not today I have tried with all addons/ extensions removed. I have some of the adons that will do it but everytime i try to and get the download arrow in the address bar for the download it says failed I have it configured to go to the desktop and amusing the latest version of Firefox . I can download them from Chrome but not firefox i do you know whay

  do  i have to reinstall firefox