If you are using Linux, can you download and try to launch PhyloclassTalk? The software website is : http://phyloclasstalk.github.io/ You can find the installation procedure here: http://phyloclasstalk.github.io/doc/PhyloclassTalk-1.0.pdf If you are able to launch the software, you may paste the output of the following command: $ lsb_release -d or $ hostnamectl Thank you very much, Hernán