Yahoo Music videos do not work
From MozillaZine Knowledge Base
According to this Yahoo! Help article, Firefox 1.5 users need to install the ActiveX plug-in to watch Yahoo! Music videos (aka Y! Music aka Y! Launch aka Launch.com).
Important:
- The Yahoo! article includes a "Click Here" link to install the ActiveX plugin for Firefox 1.5. See the "Installing ActiveX plugin" section of this article for information specific to other browsers.
- Before installing the ActiveX plugin, read the warnings given here.