When the JDK is installed to the C:\Program Files\Java\jdk-9 directory, and javapackager.exe is run, the results are the error:
[C:\]C:\Program Files\Java\jdk-9\bin\javapackager.exe"
"Error: Could not find or load main class files\jdk-9\bin
[C:\]C:\Program Files\Java\jdk-9\bin\javapackager.exe"
"Error: Could not find or load main class files\jdk-9\bin