As you may be aware, Webvisum is a Firefox extention which enables blind or visually impaired users to solve the Human Verrification like CAPTCHA on various websites. It has many more features to help these users and I one of them. Why Firefox has disabled the Webvisum extention? It shows Firefox couldn't verify the extention after installing or upgrading to a latest version of Firefox. That's why, we have forced to use a outdated version of browser as I'm using right now And, it is prone to viruses and worms. I hope I cleare from my side... Waiting for Reply...