Index: /trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibGuestCtrl.cpp
===================================================================
--- /trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibGuestCtrl.cpp	(revision 84593)
+++ /trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibGuestCtrl.cpp	(revision 84594)
@@ -1044,4 +1044,5 @@
         VBGL_HGCM_HDR_INIT(&Msg.hdr, pCtx->uClientID, vbglR3GuestCtrlGetMsgFunctionNo(pCtx->uClientID), pCtx->uNumParms);
         VbglHGCMParmUInt32Set(&Msg.context, HOST_MSG_SHUTDOWN);
+        VbglHGCMParmUInt32Set(&Msg.action,  0);
 
         rc = VbglR3HGCMCall(&Msg.hdr, sizeof(Msg));
Index: /trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp
===================================================================
--- /trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp	(revision 84593)
+++ /trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp	(revision 84594)
@@ -1024,5 +1024,5 @@
             if (RT_FAILURE(rc))
                 VGSvcError("%s system failed with %Rrc\n",
-                           (fAction & RTSYSTEM_SHUTDOWN_REBOOT) ? "Rebooting" : "Shuting down", rc);
+                           (fAction & RTSYSTEM_SHUTDOWN_REBOOT) ? "Rebooting" : "Shutting down", rc);
         }
     }