Hmmm... we are not sure what the cause of that could be. One idea we do have is there might be something weird going on with your JRE or jar file associations. Here is a link to something that might help: https://answers.microsoft.com/en-us/windows/forum/all/jar-files-open-and-close-immediately/cac9e065-4055-4dd4-802e-c88f030e7c7e
Let us know if that helps. Sorry we couldn't give a proper answer!