If you are having problems with the video player being choppy or out of sync and you’re using Google Chrome please try the following:

Open up Google Chrome and in the address bar type – chrome://plugins/
You will then see a Details link over to the right-hand side of the page.
Click the + and you’’ll see a long list of the installed plugins in detail.
Look in the Flash section and find the line which has the text – \pepflashplayer.dll
Click the Disable link next to this line and restart the browser.

This is a known issue with Chrome. If you do not wish to attempt the previous instructions you may view this page with any other browser to fix the problem.