Brief
We have updated files 'previews_functions.php' and 'previews.html'.
 
Description
Player for music/video preview appears as empty block.
 
Solution
Download the updated version of the files:
http://www.viart.com/downloads/previews-4.0.html.zip
http://www.viart.com/downloads/previews_functions-4.0.zip
 
Further, extract the 'previews.html' into 'templates/user' folder and 'previews_functions.php' into 'includes' folder of your shop via FTP in BINARY mode replacing existing files. Please do not forget to make a backup copy of the current files in case something goes wrong.