title: When uncheck Modify Security Settings in MySQL Installtaion, Access Denied root@localhost
body: <p>I'm installing MySql 5.1 on Windows using Installer.</p>
  
  <p>On the security options step, I didn't check Modify Security Settings and go next
  <img src="https://i.stack.imgur.com/Z3OGc.jpg" alt="enter image description here"></p>
  
  <p>And I got Access Denied message when want to log in as root</p>
  
  <p>Access Denied for user root@ localhost (using password:No)</p>
  
  <p>What's wrong and why?</p>