To reproduce it, install the plugin, create a new admin user and take all his privileges using the mentioned plugin (block all his access). 
Result: You'll still be a able to access those paths.

A fully restricted Admin Class user still has access to the following paths: 

v < 1.0.3
Comments > Approve / Unapprove 
Comments > Reply 
Comments > Spam 
Comments > Trash / Delete Permanently

v <= 1.0.3

v < 1.0.4