Today I will talk about component creation 404 error in Joomla. First of all it is needed to site administrators who want to keep their visitors. It happens that when entering the page address we are wrong, and instead of seeing a nice looking background and text annoying 404 error with default text. To create your own 404 page, we need the Qlue Custom 404. Once you have downloaded the extension, include the plugin in the system and go to the settings component. Click “create” should appear in the article window, where you can insert anything you want to attract users. To make the 404 error by default, to write to the file .htaccess lines: For the top-level domain, for example: www.example.com an ErrorDocument 403 /index.php?qlue404=1 an ErrorDocument 404 /index.php?qlue404=1 an ErrorDocument 500 /index.php?qlue404=1 For the subdomain, example: subdomain.example.com an ErrorDocument 403 /example.com/index.php?qlue404=1 an ErrorDocument 404 /example.com/index.php?qlue404=1 an ErrorDocument 500 /example.com/index.php?qlue404=1 component