Attention
If your Photo Cart is suddenly getting a 500 error or only displaying a blank page then you or your hosting company has updated the PHP (programming language) to PHP 7 which Photo Cart is not compatible with (and will not be compatible with) mainly because of the removal of the my_sql functions which are replaced with my_sqli functions.
You would need to have the PHP version downgraded to 5.6 in order for Photo Cart to work. If downgrading the PHP doesn't work then you may have to update Photo Cart to the last version of 7. Download Photo Cart 7 upgrade files. Upgrade instructions.
Photo Cart was retired in 2015. Check out Sytist.
Pci Compliance
In particular for pc_login it complains that the action pc_login.php?wbg=1 is a problem and for index.php it has an issue with action index.php?do=register.
How can I correct these problems? I'm assuming these have to be sent as https in the headers rather than http.
You would do this with a .htaccess file in your root website folder. That can be done with this code in the .htaccess file
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.YOUR-DOMAIN.com/$1 [R,L]
If you can't get it to work, you should contact your host on the best way to do that.
My Email Address: info@picturespro.com

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