diff -ur ooo_SRC680_m179_src.orig/vcl/aqua/source/window/salframe.cxx ooo_SRC680_m179_src/vcl/aqua/source/window/salframe.cxx
--- ooo_SRC680_m179_src.orig/vcl/aqua/source/window/salframe.cxx	2006-07-29 19:16:23.000000000 +0200
+++ ooo_SRC680_m179_src/vcl/aqua/source/window/salframe.cxx	2006-07-29 21:05:32.000000000 +0200
@@ -755,11 +755,13 @@
 
       SalMenuItem *pSalMenuItem;
 
-      GetMenuItemProperty (commandStruct.menu.menuRef, commandStruct.menu.menuItemIndex,
+      OSStatus err;
+      err = GetMenuItemProperty (commandStruct.menu.menuRef, commandStruct.menu.menuItemIndex,
 			   APP_PROPERTY_CREATOR, APP_PROPERTY_TAG_MENU_POINTER,
 			   sizeof(pSalMenuItem), NULL, &pSalMenuItem);
 
-      if (pSalMenuItem) {
+      // Only use pSalMenuItem value if the menu item property was found!
+      if ( (err == noErr) && pSalMenuItem) {
 	fprintf(stderr, "PJ: pSalMenuItem = %p\n", pSalMenuItem);
 	fprintf(stderr, "PJ: mnId = %p\n", ((AquaSalMenuItem *)pSalMenuItem)->mnId);
 
@@ -792,12 +794,15 @@
     fprintf(stderr, "PJ: MenuRef = %p\n", pMenuRef);
 
     SalMenu *pSalMenu;
-    GetMenuItemProperty (pMenuRef, 0,
+    OSStatus err;
+
+    err = GetMenuItemProperty (pMenuRef, 0,
 			 APP_PROPERTY_CREATOR, APP_PROPERTY_TAG_MENU_POINTER,
 			 sizeof(pSalMenu), NULL, &pSalMenu);
-    fprintf(stderr, "PJ: SalMenu = %p\n", pSalMenu);
 
-    if (pSalMenu) {
+    if ( (err == noErr) && pSalMenu) {
+      fprintf(stderr, "PJ: SalMenu = %p\n", pSalMenu);
+
       // Posting native menu event...
       SalMenuEvent aMenuEvt;
       aMenuEvt.mpMenu = pSalMenu;
@@ -823,15 +828,16 @@
     GetEventParameter (inEvent, kEventParamDirectObject, typeMenuRef, NULL, sizeof(typeMenuRef), NULL, &pMenuRef);
     fprintf(stderr, "PJ: MenuRef = %p\n", pMenuRef);
 
-
     SalMenu *pSalMenu;
-    GetMenuItemProperty (pMenuRef, 0,
+    OSStatus err;
+
+    err = GetMenuItemProperty (pMenuRef, 0,
 			 APP_PROPERTY_CREATOR, APP_PROPERTY_TAG_MENU_POINTER,
 			 sizeof(pSalMenu), NULL, &pSalMenu);
 
-    fprintf(stderr, "PJ: SalMenu = %p\n", pSalMenu);
+    if ( (err == noErr) && pSalMenu) {
+      fprintf(stderr, "PJ: SalMenu = %p\n", pSalMenu);
 
-    if (pSalMenu) {
       // Posting native menu event...
       SalMenuEvent aMenuEvt;
       aMenuEvt.mpMenu = pSalMenu;
@@ -866,15 +872,16 @@
     // MENUACTIVATE events for them?
     if (mnMenuItemIndex != 0) {
       SalMenuItem *pSalMenuItem;
+      OSStatus err;
 
-      GetMenuItemProperty (pMenuRef, mnMenuItemIndex,
+      err = GetMenuItemProperty (pMenuRef, mnMenuItemIndex,
 			   APP_PROPERTY_CREATOR, APP_PROPERTY_TAG_MENU_POINTER,
 			   sizeof(pSalMenuItem), NULL, &pSalMenuItem);
 
       // We also receive kEventMenuTargetItem events for
       // non-application menus (Apple menu or Application menu). But
       // they do not have SalMenuItem attached with them.
-      if (pSalMenuItem) {
+      if ( (err == noErr) && pSalMenuItem) {
 	fprintf(stderr, "PJ: mnId = %p\n", ((AquaSalMenuItem *)pSalMenuItem)->mnId);
 
 	// Posting native menu event...