When I go into my Comcast e-mail account, the username and password are now always already filled in and I want to stop it from happening. I've already tried looking at Firefox and Comcast forums to find answers to my question. I do not check the "remember me" box at the sign in window. I've already cleared my history and selected the "Everything" option, making sure that ALL boxes are checked. I've gone into "Tools>Options>Privacy>Firefox will:Use custom settings for history" and UNchecked the box labeled "Remember search and form history". I've even tried updating Firefox and when that didn't work I uninstalled Firefox and then reinstalled it. For some reason, I still go to the Comcast sign in and my username and password are automatically filled out. Can someone please help me fix this issue? What am I not doing correctly?