Command prompt, in jmri install directory
cd "\Program Files (x86)\JMRI"
try?
?./LaunchJMRI /debug apps.PanelPro.PanelPro
Now that likely wont get you the error message you need, in which case use the really, really, reeeaaallllyyy, long command which no-one copies and pastes right the first time... NB it is one big line which the display breaks in weird places. There is no space between the - and the D.
java? -noverify -Dsun.java2d.d3d=false -Djava.security.policy=security.policy -Djogamp.gluegen.UseTempJarCache=false -Djinput.plugins=net.bobis.jinput.hidraw.HidRawEnvironmentPlugin -Dswing.defaultlaf=com.sun.java.swing.plaf.windows.WindowsLookAndFeel -Djava.library.path=.;lib\x64;lib -Djava.rmi.server.codebase=file:java/classes/ -Dsun.java2d.noddraw -Xms96m -Xmx2018m -Dfile.encoding=UTF-8 -Dpython.home="C:\Users\Gary Shaw\JMRI\systemfiles" -Djmri.log.path="C:\Users\Gary Shaw\JMRI\systemfiles\\" -Djava.class.path=".;classes;jmri.jar;lib\apiguardian-api-1.1.0.jar;lib\batik-anim-1.14.jar;lib\batik-awt-util-1.14.jar;lib\batik-bridge-1.14.jar;lib\batik-constants-1.14.jar;lib\batik-css-1.14.jar;lib\batik-dom-1.14.jar;lib\batik-ext-1.14.jar;lib\batik-gvt-1.14.jar;lib\batik-i18n-1.14.jar;lib\batik-js-1.8.jar;lib\batik-parser-1.14.jar;lib\batik-script-1.14.jar;lib\batik-shared-resources-1.14.jar;lib\batik-svg-dom-1.14.jar;lib\batik-svggen-1.14.jar;lib\batik-transcoder-1.14.jar;lib\batik-util-1.14.jar;lib\batik-xml-1.14.jar;lib\beansbinding-1.2.1.jar;lib\bluecove-2.1.1-SNAPSHOT.jar;lib\bluecove-bluez-2.1.1-SNAPSHOT.jar;lib\bluecove-gpl-2.1.1-SNAPSHOT.jar;lib\commons-compress-1.18.jar;lib\commons-csv-1.9.0.jar;lib\commons-io-2.11.0.jar;lib\commons-lang3-3.7.jar;lib\commons-logging-1.2.jar;lib\commons-net-3.9.0.jar;lib\commons-text-1.2.jar;lib\gluegen-rt.jar;lib\hid4java-0.5.0.jar;lib\jackson-annotations-2.13.4.jar;lib\jackson-core-2.13.4.jar;lib\jackson-databind-2.13.4.1.jar;lib\JavaVersionCheckWindow.jar;lib\javax.servlet-api-3.1.0.jar;lib\jdom2-2.0.6.jar;lib\jetty-http-9.4.28.v20200408.jar;lib\jetty-io-9.4.28.v20200408.jar;lib\jetty-security-9.4.28.v20200408.jar;lib\jetty-server-9.4.28.v20200408.jar;lib\jetty-servlet-9.4.28.v20200408.jar;lib\jetty-util-9.4.28.v20200408.jar;lib\jhall.jar;lib\jhidrawplugin.jar;lib\jinput.jar;lib\jinputvalidator-0.8.0.jar;lib\jlfgr-1_0.jar;lib\jmdns-3.5.5.jar;lib\jmri.script.jsr223graalpython.jar;lib\jna-5.9.0.jar;lib\jna-platform-5.9.0.jar;lib\joal.jar;lib\json-schema-validator-1.0.28.jar;lib\jsoup-1.15.3.jar;lib\jsplitbutton-1.3.1.jar;lib\jul-to-slf4j-1.7.25.jar;lib\jython-standalone-2.7.2.jar;lib\libusb4java-1.3.0-darwin-aarch64.jar;lib\libusb4java-1.3.0-darwin-x86-64.jar;lib\libusb4java-1.3.0-linux-aarch64.jar;lib\libusb4java-1.3.0-linux-arm.jar;lib\libusb4java-1.3.0-linux-x86-64.jar;lib\libusb4java-1.3.0-linux-x86.jar;lib\libusb4java-1.3.0-win32-x86-64.jar;lib\libusb4java-1.3.0-win32-x86.jar;lib\log4j-1.2.17.jar;lib\mailapi.jar;lib\openlcb.jar;lib\org-openide-util-lookup-RELEASE150.jar;lib\org.eclipse.paho.client.mqttv3-1.2.5.jar;lib\pi4j-core-1.2.jar;lib\purejavacomm-1.0.5.jar;lib\slf4j-api-1.7.25.jar;lib\slf4j-log4j12-1.7.25.jar;lib\thumbnailator-0.4.8.jar;lib\usb-api-1.0.2.jar;lib\usb4java-1.3.0.jar;lib\usb4java-javax-1.3.0.jar;lib\vecmath-1.5.2.jar;lib\websocket-api-9.4.28.v20200408.jar;lib\websocket-client-9.4.28.v20200408.jar;lib\websocket-common-9.4.28.v20200408.jar;lib\websocket-server-9.4.28.v20200408.jar;lib\websocket-servlet-9.4.28.v20200408.jar;lib\xAPlib.jar;lib\xbee-java-library-1.3.1.jar;lib\xercesImpl-2.12.2.jar;lib\xml-apis-ext-1.3.04.jar;lib\xmlgraphics-commons-2.6.jar" apps.PanelPro.PanelPro?
