Yes the database is on localhost. And the database I created was theart_wordpress and I also pointed WP to the correct db so that shouldnÂ´t be the problem. Also the username&password are correct.
Is there something I should do at "phpMyAdmin"? (* You can use phpMyAdmin to administrate your MySQL databases in a web based environment.*). But shouldnÂ´t WP create the tables automatically so I wouldnÂ´t have to do that.
Tried that "delete /wp-includes" thing. DidnÂ´t work.
In my "create MYSQL database" place it gives "connection strings":
$dbh=mysql_connect ("localhost", "theart_", "<PASSWORD HERE>") or die ('I cannot connect to the database because: ' . mysql_error());
So basically at wp-config.php I wrote