tell application "System Events"

    tell application "LeagueClient"
        try
            activate
        on error number -609
        end try
    end tell

    tell application "Finder" to open file ((path to home folder as text) & "Library:PreferencePanes:Network Link Conditioner.prefPane")

    repeat until button "ON" of window 1 of process "System Preferences" exists
    end repeat

    tell process "System Preferences" to click button "ON" of window 1

    delay 20
    display dialog "Press OK when you are logged in." buttons {"OK"} default button 1

    tell process "System Preferences" to click button "OFF" of window 1
    delay 1
    tell application "System Preferences" to quit

end tell