

Hover over the More tools option and then click Extensions from the next menu.Click the Menu button displayed in the top-right corner of the window (displayed as the three-dot icon).They direct your browser to use Flash instead of HTML5 to stream your YouTube videos.įollow the easy steps below to disable or remove them and see if that resolves the issue for you: The first step you have to take is to disable extensions in your browser that direct YouTube’s functionality and may cause the error message.Īccording to reports from several users, Switch to Flash Player and Disable YouTube HTML5 Player are two browser extensions identified to cause the issue.
#Html5 video player free firefox plugin how to#
We’ll give detailed steps on how to perform each one of them on Google Chrome and Mozilla Firefox browsers. You can follow these fixes sequentially till the error message has been dealt with.

Your browser is outdated: If you are using a very old browser, or you haven’t updated your browser for a while, you might encounter this error message.But it is often due to the main reasons presented below: It appears when they try to play a particular video(s). Some users have reported that the error message most times doesn’t occur on all videos.
