Index: src/org/openide/loaders/InstanceDataObject.java
===================================================================
RCS file: /cvs/openide/loaders/src/org/openide/loaders/InstanceDataObject.java,v
retrieving revision 1.9
diff -u -r1.9 InstanceDataObject.java
--- src/org/openide/loaders/InstanceDataObject.java	25 Mar 2004 16:05:03 -0000	1.9
+++ src/org/openide/loaders/InstanceDataObject.java	5 Apr 2004 15:43:13 -0000
@@ -420,7 +420,11 @@
             super(n);
         }
         public void update() {
-            changeOriginal(createNodeDelegateImpl(), true);
+            Children.MUTEX.postWriteRequest(new Runnable() {
+                    public void run() {
+                        changeOriginal(createNodeDelegateImpl(), true);
+                    }
+                });
         }
     }