Hi Cbella, YouTube is generally used with an HTML5 player, who is a player who does not use a plugin video in MP4 format (for example, it does not use the Flash plugin). The answers I've found are not relevant or too complicated. There is no update for 42.0 expected before the release of Firefox 43.0 (December 15) that I know.Īfter the last update of Firefox, youtube videos do not play. You seem to have Firefox 42.0 representing the current version of Mozilla. exe of random sites that Firefox is not only for Windows. The desktop Firefox for Windows, Mac OSX and Linux are made under Firefox itself or by download from Updates are not using a. When the user account control window pops up asking if I want to run it, the Publisher is 'unknown' - that is why I ask you, is this really an update of Mozilla? I got a message saying there was an update of Firefox, and begun downloaded it but not install it. How will I know if an update of firefox just Mozilla? The latest version of the Yahoo toolbar solves a problem in 43 Firefox that caused the toolbar become invalid. The Add-on from Yahoo toolbar has been updated on December 29, 2015. I had several buttons Web site registered over there, and I liked the convenience of it. The latest update to Firefox 43.0 deactivated my Yahoo toolbar. The last update for Firefox off my Yahoo toolbar - can we get the toolbar? Try the alternative and easier way by downloading here

Now I see that maybe there is a good reason. I tried to update to FF, since I got Snow Leopard and he just kept spinning and cannot connect. Should I upgrade to 4.0.1 if it works? I have a Macbook Pro and you have upgraded to Lion. It seems that the update of Firefox causes problems with the Mac.

How to uninstall firefox update