Steps to reproduce.
1. create a installer using javapackager from command line using command


javapackager -deploy -verbose -outdir bundles -native exe -srcdir jars -srcfiles com.greetings.jar -BmainJar=com.greetings.jar -Bclasspath=com.greetings.jar -appclass com.greetings.App1

After installation javapackager leaves the traces of temporary folders used for creation in temp folder, these folder needs to be deleted.

please find the attachment capturing temporary folders.