diff -r 1b35c300278a openide.loaders/src/org/openide/awt/MenuBar.java
--- a/openide.loaders/src/org/openide/awt/MenuBar.java	Wed Apr 22 12:21:54 2009 +0200
+++ b/openide.loaders/src/org/openide/awt/MenuBar.java	Wed Apr 22 12:42:47 2009 +0200
@@ -78,6 +78,7 @@
 import org.openide.nodes.NodeMemberEvent;
 import org.openide.nodes.NodeReorderEvent;
 import org.openide.util.Exceptions;
+import org.openide.util.ImageUtilities;
 import org.openide.util.NbBundle;
 import org.openide.util.Task;
 import org.openide.util.Utilities;
@@ -506,15 +507,24 @@
         }            
 
         private void updateProps() {
-            if (master.isValid()) {
-                // set the text and be aware of mnemonics
-                Node n = master.getNodeDelegate ();
-                Mnemonics.setLocalizedText(this, n.getDisplayName());
-                if (icon) setIcon (new ImageIcon (
-                n.getIcon (java.beans.BeanInfo.ICON_COLOR_16x16)));
-            } else {
-                setText(master.getName());
-                setIcon(null);
+            Object prev = DONT_BLOCK.get();
+            try {
+                DONT_BLOCK.set(Boolean.TRUE);
+                if (master.isValid()) {
+                    // set the text and be aware of mnemonics
+                    Node n = master.getNodeDelegate ();
+                    Mnemonics.setLocalizedText(this, n.getDisplayName());
+                    if (icon) {
+                        setIcon (ImageUtilities.image2Icon(
+                            n.getIcon (java.beans.BeanInfo.ICON_COLOR_16x16)
+                        ));
+                    }
+                } else {
+                    setText(master.getName());
+                    setIcon(null);
+                }
+            } finally {
+                DONT_BLOCK.set(prev);
             }
         }
 
@@ -554,7 +564,6 @@
                 selected = true;
                 doInitialize();
                 dynaModel.checkSubmenu(this);
-
             }
         }
         
@@ -576,8 +585,12 @@
 //        }
 //        super.setPopupMenuVisible(b);
 //    }        
-        
+
+        private static ThreadLocal DONT_BLOCK = new ThreadLocal();
 	private void doInitialize() {
+        if (Boolean.TRUE.equals(DONT_BLOCK.get())) {
+            return;
+        }
         slave.waitFinishedSuper();
 	}