Many Wordpress user alway will facing Wordpress appear empty page after upgrade to newer version of Wordpress, 1 of the reason is due to you do not disable plugin before upgrade it.
Refer to the step below, you may disable the plugin through MySQL database(PHPMyAdmin).
1. Login to PHPMyAdmin.
2. Look to your databases(eg. mickgenie_wordpress).
3. Look to table named wp_options as browse it.
![[Google]]( http://www.mickgenie.com/blog/wp-content/plugins/easy-adsenser/google-light.gif)


