Index: base/applications/taskmgr/CMakeLists.txt
===================================================================
--- base/applications/taskmgr/CMakeLists.txt	(revision 64200)
+++ base/applications/taskmgr/CMakeLists.txt	(working copy)
@@ -23,6 +23,6 @@
 
 add_executable(taskmgr ${SOURCE} taskmgr.rc)
 set_module_type(taskmgr win32gui UNICODE)
-add_importlibs(taskmgr advapi32 user32 gdi32 shell32 comctl32 msvcrt kernel32 ntdll)
+add_importlibs(taskmgr advapi32 user32 gdi32 shell32 powrprof comctl32 msvcrt kernel32 ntdll)
 add_pch(taskmgr precomp.h SOURCE)
 add_cd_file(TARGET taskmgr DESTINATION reactos/system32 FOR all)
Index: base/applications/taskmgr/taskmgr.c
===================================================================
--- base/applications/taskmgr/taskmgr.c	(revision 64200)
+++ base/applications/taskmgr/taskmgr.c	(working copy)
@@ -29,6 +29,8 @@
 #include "debug.h"
 #include "priority.h"
 
+#include <powrprof.h>
+
 #define STATUS_WINDOW   2001
 
 /* Global Variables: */
@@ -649,6 +651,14 @@
     hUpdateSpeedMenu = GetSubMenu(hViewMenu, 1);
     hCPUHistoryMenu = GetSubMenu(hViewMenu, 7);
 
+    /* Check to see if the system supports Stand By or Hibernate */
+    if (IsPwrSuspendAllowed() == FALSE) {
+        EnableMenuItem(hMenu, ID_SHUTDOWN_STANDBY, MF_GRAYED);
+    }
+    if (IsPwrHibernateAllowed() == FALSE) {
+        EnableMenuItem(hMenu, ID_SHUTDOWN_HIBERNATE, MF_GRAYED);
+    }
+
     /* Check or uncheck the always on top menu item */
     if (TaskManagerSettings.AlwaysOnTop) {
         CheckMenuItem(hEditMenu, ID_OPTIONS_ALWAYSONTOP, MF_BYCOMMAND|MF_CHECKED);