Try another location

Author: tonihele

installers/windows-x64/jmonkeyengine-windows-x64.properties

@@ -12,7 +12,7 @@ package.publisher=${package.name}
 package.url=https://jmonkeyengine.org
 # Path to an InnoSetup compiler - can be downloaded from https://jrsoftware.org/isinfo.php (or Linux shell script to invoke via wine).
 # package.innosetup.tool=${CONFIG}/issc.sh (Linux)
-package.innosetup.tool=ISCC.exe
+package.innosetup.tool=C:/Program Files/Inno Setup 6/ISCC.exe
 # ID to uniquely identify application. Defaults to package name.
 package.innosetup.appid=
 # Path to an icon (*.ico) file for shortcut and installer.