“ ) ANJ desu oiduts ehT .egelivirp rotartsinimda htiw rellatsni eht snur oiduts diordna eht woh ta kool repeed a nekat ev'Ihttps://github.com/java-native-access/jna ) which wrapped various Windows APIs for java usages. In the case of running installer with administrator privilege, the involved Windows API is ShellExecuteEx. I did various experiments with both JNA and ShellExecuteEx and I was not able to trigger a situation that Windows prompt for administrator is missing. ”