title: in the GUI script below, why isn't "click button "Advanced..." working?
body: <pre><code>tell application "System Preferences"
      activate
  end tell
  
  tell application "System Events"
      set preferencesLocked to false
      tell process "System Preferences"
          delay 1
          click menu item "Security &amp; Privacy" of menu "View" of menu bar 1
          delay 2.5
          if title of button 4 of window 1 is "Click the lock to make changes." then
              set preferencesLocked to true
              click button "Click the lock to make changes." of window 1
          end if
      end tell
      if preferencesLocked is true then
          delay 2.5
          activate application "SecurityAgent"
          tell application "System Events"
              tell process "SecurityAgent"
                  set value of text field 1 of scroll area 1 of group 1 of window 1 to "admin"
                  set value of text field 2 of scroll area of group 1 of window 1 to "XXXXXXX"
  
                  click button "Unlock" of group 2 of window 1
                  tell application "System Events"
                      tell process "SecurityAgent"
  
                          **click button "Advanced..."**
                      end tell
                  end tell
  
  
              end tell
          end tell
      end if
  
  
  end tell
  </code></pre>