Then your RewriteBase in .htaccess file needs! to be:
RewriteBase /joomla/

Please, next time, before asking, read the docs and FAQs!
After installing the component, when I click any link, I get \"404 Page not found\" error.

I know this way you save your time but you are wasting our time, so then we may not have enough time to support other users, who have \"real\" problems. Thanks for understanding.