so you need to sign ALL jars in theappletdir. It can be done by standard JDK tools (they may be not in your path though). First, create a keystore with one key. Run the following command in theappletdir:
It is very important to verify that you have an up-to-date Microsoft Excel version, if you want XLSTAT to work properly. If you are on Windows: When you are in Microsoft Excel, click on File, then go to Account. From there you will be able to check if you have an available update...