It is a simple fix. If you are using INTERNET EXPLORER 7 and cannot watch video on this and/or other sites you need to change some settings to fix the problem. Microsoft is developing a fix and will soon be available as an update so keep checking their website or set your controls to automatically receive Microsoft Updates.
1) Click on your Tools button.
2) Click on Internet Options.
3) Click the Security tab.
4) Click the Custom level button.
5) Scroll down to Display Video and Animation on a webpage that does not use external media player. Click on Enable so the little circle turns green.
6) Click the OK button at the bottom of the window.
7) When asked "are you sure you want to change the settings for this zone"? Click the Yes button.
You should now be able to watch video on sites that do not require external media players in Internet Explorer 7.