If you are having problems viewing the videos try to download the latest version of media player here
Active X
If the video does not start immediately and you can see a banner at the top of the page regarding Active X Control this may be stopping you view the video the solution is simple.
Allow Active X Control by right clicking and selecting allow

Windows Media Player
Try downloading the latest version of Windows Media Player
Try to restart your computer
Restarting your computer will refresh the files and folders in Windows and may help to solve the problem you are having.
1. Shut down your PC in the usual way, eg by clicking Start, then Shut Down.Update your computer drivers
Install computer updates or update video driver:
Install all applicable drivers, firmware, or software updates for your computer. If you are unsure of how to do this, please contact your computer manufacturer for help.
Update your video driver. If you are unsure how to do this, please contact your computer manufacturer for help.
Also download the latest version of your web browser
Green Screen On The Video
If the player has a green screen and only the sound can be heard when the video plays. There is a patch available from Microsoft which could help. Video Patch

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