problem with ssl

my site is runing with ssl.... i have try to install (mydomain.gr/opencart) an opencart 3....
i have change the config.php the http to https etc...etc...
but i can not enable the ssl... when i try to chek in the box to enable.... i save it... but it alway turn off..

Imprecise OC version posted.

i have change the config.php the http to https etc...etc...

etc, etc yes. Can you please post your config.php and admin/config.php files without database password along with your OC version?

admin /////
<?php
// HTTP
define('HTTP_SERVER', 'http://www.spatharakis.gr/prosfora/admin/');
define('HTTP_CATALOG', 'http://www.spatharakis.gr/prosfora/');

// HTTPS
define('HTTPS_SERVER', 'https://www.spatharakis.gr/prosfora/admin/');
define('HTTPS_CATALOG', 'https://www.spatharakis.gr/prosfora/');

// DIR
define('DIR_APPLICATION', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/admin/');
define('DIR_SYSTEM', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/system/');
define('DIR_IMAGE', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/image/');
define('DIR_STORAGE', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/storage/');
define('DIR_CATALOG', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/catalog/');
define('DIR_LANGUAGE', DIR_APPLICATION . 'language/');
define('DIR_TEMPLATE', DIR_APPLICATION . 'view/template/');
define('DIR_CONFIG', DIR_SYSTEM . 'config/');
define('DIR_CACHE', DIR_STORAGE . 'cache/');
define('DIR_DOWNLOAD', DIR_STORAGE . 'download/');
define('DIR_LOGS', DIR_STORAGE . 'logs/');
define('DIR_MODIFICATION', DIR_STORAGE . 'modification/');
define('DIR_SESSION', DIR_STORAGE . 'session/');
define('DIR_UPLOAD', DIR_STORAGE . 'upload/');



catalog.///
<?php
// HTTP
define('HTTP_SERVER', 'http://www.spatharakis.gr/prosfora/');

// HTTPS
define('HTTPS_SERVER', 'https://www.spatharakis.gr/prosfora/');

// DIR
define('DIR_APPLICATION', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/catalog/');
define('DIR_SYSTEM', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/system/');
define('DIR_IMAGE', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/image/');
define('DIR_STORAGE', '/var/www/vhosts/kafsoxyla.gr/spatharakis.gr/prosfora/storage/');
define('DIR_LANGUAGE', DIR_APPLICATION . 'language/');
define('DIR_TEMPLATE', DIR_APPLICATION . 'view/theme/');
define('DIR_CONFIG', DIR_SYSTEM . 'config/');
define('DIR_CACHE', DIR_STORAGE . 'cache/');
define('DIR_DOWNLOAD', DIR_STORAGE . 'download/');
define('DIR_LOGS', DIR_STORAGE . 'logs/');
define('DIR_MODIFICATION', DIR_STORAGE . 'modification/');
define('DIR_SESSION', DIR_STORAGE . 'session/');
define('DIR_UPLOAD', DIR_STORAGE . 'upload/');

Has your host installed your SSL certificate for your domain already? If not, contact your host to proceed with this free installation of your purchased SSL certificate.

https://www.spatharakis.gr/times-europa/ this is ok....
https://www.spatharakis.gr/prosfora/ this is not ok...
the firts is open cart 2 the secone is 3...
both of them is in the same host (fiderent folder) they has problem with ssl (and email if you remember the other post)

Looks like an issue originating from your root .htaccess file. Ensure each sites are configured accordingly for each domains you are using and that your config.php and admin/config.php file paths are properly configured for each domains. In addition, since your sites uses SEO links, ensure to use an extension from the marketplace that has the best reputation such as:

- Ratings
- Most positive inputs
- Recent updates with provided services

from the extension publishers providing the SEO links. This should definitely resolve the issue.

Also ensure not to use a self-signed certificate on your live store in order to be in compliance of PCI-DSS.

the base meta is still pointing to http://www.spatharakis.gr/prosfora/
Seems something isn't quite right
You could also simplify and just use https for both HTTP_SERVER and HTTPS_SERVER as that's the more popular thing to do now. secure everything, always.

i try to chek from there
https://www.whynopadlock.com/results/ed ... 88fa647e53
and i found a lot of erros.... all this error can anyone help me?? this is a new fresh installation form opencart 3

The errors you are demonstrating from this site also contains the public protocol of: http:// rather than: https:// which is why they are showing since it indicates:

An image with an insecure url of ...