diff -r 3cfc595ac892 -r 57ec8171fcd5 jdk/src/share/classes/com/sun/java/swing/plaf/windows/WindowsRadioButtonUI.java
--- a/jdk/src/share/classes/com/sun/java/swing/plaf/windows/WindowsRadioButtonUI.java	Wed Nov 04 10:13:52 2009 -0800
+++ b/jdk/src/share/classes/com/sun/java/swing/plaf/windows/WindowsRadioButtonUI.java	Fri Nov 06 19:48:09 2009 +0300
@@ -25,6 +25,8 @@
 
 package com.sun.java.swing.plaf.windows;
 
+import sun.awt.AppContext;
+
 import javax.swing.plaf.basic.*;
 import javax.swing.*;
 import javax.swing.plaf.*;
@@ -44,7 +46,7 @@
  */
 public class WindowsRadioButtonUI extends BasicRadioButtonUI
 {
-    private static final WindowsRadioButtonUI windowsRadioButtonUI = new WindowsRadioButtonUI();
+    private static final Object WINDOWS_RADIO_BUTTON_UI_KEY = new Object();
 
     protected int dashedRectGapX;
     protected int dashedRectGapY;
@@ -59,6 +61,13 @@
     //          Create PLAF
     // ********************************
     public static ComponentUI createUI(JComponent c) {
+        AppContext appContext = AppContext.getAppContext();
+        WindowsRadioButtonUI windowsRadioButtonUI =
+                (WindowsRadioButtonUI) appContext.get(WINDOWS_RADIO_BUTTON_UI_KEY);
+        if (windowsRadioButtonUI == null) {
+            windowsRadioButtonUI = new WindowsRadioButtonUI();
+            appContext.put(WINDOWS_RADIO_BUTTON_UI_KEY, windowsRadioButtonUI);
+        }
         return windowsRadioButtonUI;
     }