To customize the message

Steps

  1. Select the appropriate tab (Certificate Failure or Connect Error).
  2. Edit the HTML code in the window as needed.
  3. Click Preview to see the changes.
    Note: There is a known problem in Internet Explorer 10 that sometimes results in the wrong block page being displayed in the Preview pane. To work around the problem, click Preview repeatedly until the correct page is displayed, or disable TLS 1.0.
  4. Repeat steps 1 and 2 until all changes have been made.
  5. Click Apply to save the changes or Cancel to return to the original message.