I have been using this template for almost 2 years without an issue and now suddenly no video plays via the website shortcodes and when i click on the shortcode to insert a Youtube link it shows a 404 message.
Are you sure your are posting in product assigned forum?
What is your CMS version?
: Joomla 2.5
Link to installation
Have you edited any files? If yes tell us which ones.
Is this personal or client website?