1. Uninstall the plugin through the WordPress plugins screen directly.
a. Click the Installed Plugins link on the Plugins menu. ( Plugins -> Installed Plugins )
b. Find the plugin name “ Accessibility Assistant ”.
c. Click the Deactivate link below the plugin title.
d. Click the Delete link that now appears below the plugin title.
e. The Delete confirmation box will open, and show the confirmation message. whether you’re sure you want to delete this plugin.
f. Click the Yes, Delete These Files button.