To refresh your site’s favicon you can simply use the link tag with a querystring on your filename: <link rel=”shortcut icon” href=”http://www.site.com/favicon.ico?v=new” />

I’ve been experiencing this error while working on a air project using an ANE extension. After a while, I found that the descriptor namespace of my extension was set to a later version of my Air SDK which was Flash Pro CS6’s default Air SDK 3.4. In the extension file (located for me, on my … Adobe Air ANE error Extension namespace is invalid