If you don't want to have K9 Web Protection, Admin options displayes on blocked pages:
- Open your web browser
- Enter "127.0.0.1:2372" or "http://127.0.0.1:2372/" in the address bar and press Enter.
- Click on Setup and enter your password.
- Go to the "Blocking Effects" section.
- In the right pane, uncheck "Show Admin Options".
- Click on Save to validate.