EDIT: By troubleshooting this, I think it may be more of an XML problem that I'm having. Playing streaming video on the web, the audio does not work. Also, I occasionally get a XML warning dialog on my startpage. In fact, when I spotlighted XML files on my machine and tried to open one, it says it could not be opened. Does anyone know how to fix this short of reinstalling Safari or something like that? Hey Everybody, I've recently run into a strange intermittent sound problem. Occasionally when trying to play quicktime files on the internet, the video has no sound. This has also happened with YouTube files and I'm not sure what's wrong. I know the files have sound because if I download them, they play fine in VLC and on other computers. Is there some kind of sound setting that I'm missing? Thanks.