As reported by Neowin.net, Microsoft now supports Windows Genuine Advantage for Firefox. You can check this by visiting this page and getting the plugin. This will make it easier to download from Microsoft’s site. Microsoft earlier in the year fixed another issue blocking some Firefox users. It’s great to see them taking steps to fix the web. The majority of reports on their domains are now aesthetic, and of course windows update.
The plugin installed is:
Windows Genuine Advantage validation plug-in
File name: npLegitCheckPlugin.dll
Version: 1.4.0389.0
MIME Type : application/WGA-plugin
Update: More info can be found on the IEBlog.