After successful installation, the
/setup directory will be deleted automatically. This should prevent the setup process from being invoked again at a later time. Make sure that the directory has been successfully deleted.
File and directory permissions
To ensure error-free operation, the shop needs write permissions for some directories (file permissions for 777 or 775). Please make sure that the write permissions for the directories
/tmp are set, if necessary also recursively in all subdirectories.
config.inc.php from the main directory must be read-only after the setup has been completed (file permissions for 444).