ADDITIONAL SYSTEM INFORMATION :
Java 20, Java 20.0.1
Windows 10, Windows 11

A DESCRIPTION OF THE PROBLEM :
Selecting the "This PC", "Libraries", or "Network" folders from the system "Desktop" folder in a JFileChooser causes an InvalidPathException in Java 20. Does not happen in Java 19.

REGRESSION : Last worked in version 19.0.2

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run code on Windows. Select "Desktop" folder from "Save In". Select "This PC", "Libraries", or "Network" from the file list.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Expect nothing to happen other than the selection changing.
ACTUAL -
Stack dump for "This PC" selection on Java 20.0.1:

Exception in thread "AWT-EventQueue-0" java.nio.file.InvalidPathException: Illegal char <:> at index 0: ::{20D04FE0-3AEA-1069-A2D8-08002B30309D}
at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:232)
at java.base/java.io.File.toPath(File.java:2398)
at java.desktop/javax.swing.plaf.basic.BasicFileChooserUI$Handler.valueChanged(BasicFileChooserUI.java:744)
at java.desktop/javax.swing.JList.fireSelectionValueChanged(JList.java:1831)
at java.desktop/javax.swing.JList$ListSelectionHandler.valueChanged(JList.java:1845)
at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:229)
at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:191)
at java.desktop/javax.swing.DefaultListSelectionModel.setValueIsAdjusting(DefaultListSelectionModel.java:733)
at java.desktop/javax.swing.JList.setValueIsAdjusting(JList.java:2179)
at java.desktop/javax.swing.plaf.basic.BasicListUI$Handler.mouseReleased(BasicListUI.java:2988)
at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:298)
at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:297)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6620)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3398)
at java.desktop/java.awt.Component.processEvent(Component.java:6385)
at java.desktop/java.awt.Container.processEvent(Container.java:2266)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4995)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4827)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4948)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4575)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4516)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2780)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4827)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:775)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:747)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:744)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:117)
at java.desktop/java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:191)
at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:236)
at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:234)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:319)
at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:234)
at java.desktop/java.awt.Dialog.show(Dialog.java:1080)
at java.desktop/javax.swing.JFileChooser.showDialog(JFileChooser.java:771)
at java.desktop/javax.swing.JFileChooser.showSaveDialog(JFileChooser.java:693)
at JFileChooserBug20.lambda$main$0(JFileChooserBug20.java:5)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:773)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)



---------- BEGIN SOURCE ----------
import javax.swing.*;

public class JFileChooserBug20 {
   public static void main(String args[]) {
      SwingUtilities.invokeLater(()->new JFileChooser().showSaveDialog(null));
   }
}

---------- END SOURCE ----------

FREQUENCY : always