Hi Grzegorz, thank your answer. We are using a certificate from GlobalSign. First we create the exe with launch4j then we sign it with Microsoft signtool. When showing the details for the exe Windows shows a tab "Signatures" which reports a valid certificate just fine. The exe file created with launch4j is a pure launcher. It does not contain any jars just like you suggested. All the best SSC Von: Grzegorz Kowal grzegok@users.sourceforge.net Gesendet: Samstag, 27. April 2024 11:11 An: [launch4j:bugs]...