--- old/src/share/classes/java/awt/Window.java	2013-09-27 14:18:43.210571100 +0400
+++ new/src/share/classes/java/awt/Window.java	2013-09-27 14:18:42.573534700 +0400
@@ -1022,7 +1022,7 @@
             closeSplashScreen();
             Dialog.checkShouldBeBlocked(this);
             super.show();
-            locationByPlatform = false;
+            setLocationByPlatform(false);
             for (int i = 0; i < ownedWindowList.size(); i++) {
                 Window child = ownedWindowList.elementAt(i).get();
                 if ((child != null) && child.showWithParent) {
@@ -1095,6 +1095,7 @@
             modalBlocker.unblockWindow(this);
         }
         super.hide();
+        setLocationByPlatform(false);
     }
 
     final void clearMostRecentFocusOwnerOnHide() {
@@ -3034,7 +3035,7 @@
          state = f.get("state", 0);
          focusableWindowState = f.get("focusableWindowState", true);
          windowSerializedDataVersion = f.get("windowSerializedDataVersion", 1);
-         locationByPlatform = f.get("locationByPlatform", locationByPlatformProp);
+         setLocationByPlatform(f.get("locationByPlatform", locationByPlatformProp));
          // Note: 1.4 (or later) doesn't use focusMgr
          focusMgr = (FocusManager)f.get("focusMgr", null);
          Dialog.ModalExclusionType et = (Dialog.ModalExclusionType)