the installation guide takes optimistic assumptions on WIN
it's all just related to Windows installations
in addition, some information might be wrong or misleading
all I got after many retries and wasted time was
ERROR #5023: Remote Gateway Error: Connection cannot be established
it was really disappointing
It turned out that External Language server is not able to put correct quotes
around "C:\Program Files\Java...." and it didn't recognize that Start failed.
This is the default install location in Windows.
only a Symlink of C.\ProgramFile to "C:\Program Files" solved it
the demo document was finally created
BUT a clear demonstration: Why to use Docker Containers!