#include <Constants.au3>

$foo = Run("C:\Program Files (x86)\Cisco Systems\VPN Client\vpnclient.exe connect profil", @SystemDir, @SW_HIDE, $STDERR_CHILD + $STDOUT_CHILD)

While 1
    $line = StdoutRead($foo)
    If @error Then ExitLoop

    If $line <> "" Then
        If StringInStr($line,"Your VPN connection is secure.") Then
            MsgBox(0,"","VPN-Verbindung aufgebaut")
        EndIf
        ConsoleWrite("STDOUT gelesen:" & $line & @CRLF)
    EndIf
WEnd