[Plugin: WordPress SEO by Yoast] Error 404 – The page you've requested can not be displayed.

WordPress Version : 3.4.2
Wordpress SEO Version: 0.1

I did update WordPress latest version 3.4.2.

I need know, how to update wordpress seo ver 0.1 to latest version without affect any seo settings.

Since using WP SEO 0.1 plugin gets below error msge. Please assist.

“

Error 404
The page you’ve requested can not be displayed. It appears you’ve missed your intended destination, either through a bad or outdated link, or a typo in the page you were hoping to reach.”

https://www.ads-software.com/extend/plugins/wordpress-seo/