Windows Vista? For my school I am using "Blackboard" in order to communicate, collaborate, with professors and other classmates on-line. I am trying to post a new thread in the discussion board and for some reason the window to type in my message is not showing up. When i use Firefox I am able to post a new thread but not when I'm using Internet Explorer. Does anyone know what the problem is? I think it might be some kind of add-on...I am also operating on Windows Vista Home Premium Service Pack 1.