Brief
We added an extra condition to the script 'common.php'.
Description
On some specific server configurations there could be problems with HTTPS connection on some pages.
Solution
Download the updated version of the file:
http://www.viart.com/downloads/common-4.zip
Further, extract the 'common.php' into 'includes' folder of your shop via FTP in BINARY mode replacing an existing file. Please do not forget to make a backup copy of the current file in case something goes wrong.