Please refer to this article for more information on how to create an .htaccess file.
The link being: http://www.acunetix.com/blog/web-security-zone/articles/what-is-an-htaccess-file/ , which is 404.
Other pieces of Descriptions: "This Plugin", which Plugin? No Link...
Interesting way to learn about main WP security issues, but other than that, no, sorry - feels a bit faulty.
Disable > Remove, I'm afraid to say.