William, Others... We're half way there. I was able to download and use 3ivx to watch a few that I hadn't been able before. Sound on a couple wasn't there, but the picture was. I'll keep experimenting. thanks, though, it helped a lot. L >Lanny, > >as one before me said, try it with VLC ... it plays almost anything out there. > >You are missing a codec that can decode the picture or audio that >the file you downloaded needs. Go ahead and download 3ivx (3ivx.com >i believe) and give it a try. It is a Divx/Xvid equivalent and runs >very fast and smooth. It is free of course too :) It is not an >application, but a codec and will be installed, so that other apps >(like quicktime) can use it. Later, if you don't like it or it is >not working, you can just trash it as easily if you want to - i >found out though, that this is one piece of software i do not want >to miss! > >Hope it works, > >William > > > >On Sep 24, 2006, at 5:28 AM, * L a n n y C o t l e r wrote: > >>I download an QT .avi file. But when I go to play it, I get an >>alert saying "Some necessary QT software is missing. It may be >>available on the QT web site. ...Click the Continue Button to check >>for this software. >> >>What software am I missing? The Alert doesn't say. When I go to the >>Apple QT plug-in URL, I get a long list of software to download. >>How do I know which I am missing? >> >>This is the URL I am sent to: >> >>http://www.apple.com/quicktime/resources/components.html >> >>Any suggestions? >> >>TIA, >> >>Lanny