Notice: Constant HTTP_SERVER already defined in

Hi, I´m changing the site http://www.didadashop.com/ os server.
I´ve changed the two config.php archives, imported data base and archives.
But it shows this error:
Notice: Constant HTTP_SERVER already defined in /home/did4j4j4j4/domains/didadashop.com/public_html/config.php on line 5 Warning: require_once(/domains/didadashop.com/public_html/system/startup.php): failed to open stream: No such file or directory in /home/did4j4j4j4/domains/didadashop.com/public_html/index.php on line 23 Fatal error: require_once(): Failed opening required '/domains/didadashop.com/public_html/system/startup.php' (include_path='.:/usr/local/php53/lib/php') in /home/did4j4j4j4/domains/didadashop.com/public_html/index.php on line 23

Can anybody help me?

Regards

I would firstly check you have the right path. Try installing a clean version of opencart in a sub folder using a new database and get the correct path from there.

Well, you seem to have 2 problems:
1. public_html/system/startup.php is MISSING
2. You have a Troyan Virus on Board
Ernie
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You have a error in your configuration files.

Complete path to files is:
/home/did4j4j4j4/domains/didadashop.com/public_html/

Not
domains/didadashop.com/public_html/

Do change config files and add
/home/did4j4j4j4/
In front of your absolute path