diff -r 0669ff6199ea modules/org.openbravo.client.application/src/org/openbravo/client/application/MenuManager.java
--- a/modules/org.openbravo.client.application/src/org/openbravo/client/application/MenuManager.java	Mon May 16 11:46:45 2011 +0200
+++ b/modules/org.openbravo.client.application/src/org/openbravo/client/application/MenuManager.java	Mon May 16 13:18:35 2011 +0200
@@ -277,8 +277,8 @@
   @SuppressWarnings("unchecked")
   private void linkWindows() {
     // collect the valid tabs/windows
-    final String tabsHql = "select t from ADTab t left join fetch t.window left join fetch t.table, ADWindowAccess awa "
-        + "where awa.role.id=:roleId and t.active = true and t.window.active = true and t.window = awa.window and t.tabLevel = 0";
+    final String tabsHql = "select t from ADTab t join fetch t.window w join fetch t.table, ADWindowAccess awa "
+        + "where awa.role.id=:roleId and t.active = true and w.active = true and w = awa.window and t.tabLevel = 0";
     final Query tabsQry = OBDal.getInstance().getSession().createQuery(tabsHql);
     tabsQry.setParameter("roleId", OBContext.getOBContext().getRole().getId());
     // force a load