...after more testing I unfortunately found some errors: Behringer UCA soundcard doesn`t work, M-audio venom`s integrated soundcard works. After longer using I can`t scroll with the mouse through the navigator only withe the keyboard. Sometimes (not often) the program freezes. For now I will use plogue bidule because it feels rock solid stable but I will follow LoopProfessor developments and hope for the future. regards hf