Some servers cache favicons. Sometimes it takes weeks for a favicon to update regardless if whether you’ve cleared your brower’s cache.
I was having this same issue in Firefox. I had tried all of the above solutions and I had completely deleted the favicon files from the server in all of the skin folders and the root folder, re-uploaded them, and then was still having the issue after clearing the cache and setting about:config. What finally did it was deleting all favicon files except the one in the root installation folder along with your index.php file, which solved my problem. Hope that helps someone.
If you replaced it, just give it a hard refresh (ctrl + f5) and you’ll see a new icon.
Then it works out in your website as well.
So just visit the absolute url instead of clearing magento cache and browser cache, it saves time
Not sure what I am doing wrong. But I have changed all the favicons that I can find. In the admin root and skin. When I got to my domain/favicon.ico I see mine. but on my site I still get the magneto default icon.