Index: dll/keyboard/kbdus/kbdus.c
===================================================================
--- dll/keyboard/kbdus/kbdus.c	(revision 75615)
+++ dll/keyboard/kbdus/kbdus.c	(working copy)
@@ -146,7 +146,7 @@
 };
 
 ROSDATA VSC_VK extcode1_to_vk[] = {
-  { 0x1d, VK_PAUSE },
+  { 0x45, VK_PAUSE },
   { 0, 0 },
 };
 
Index: win32ss/user/ntuser/input.c
===================================================================
--- win32ss/user/ntuser/input.c	(revision 75615)
+++ win32ss/user/ntuser/input.c	(working copy)
@@ -136,7 +136,7 @@
     KWAIT_BLOCK WaitBlockArray[RTL_NUMBER_OF(WaitObjects)];
     ULONG cWaitObjects = 0, cMaxWaitObjects = 2;
     MOUSE_INPUT_DATA MouseInput;
-    KEYBOARD_INPUT_DATA KeyInput;
+    KEYBOARD_INPUT_DATA KeyInput, PrevKeyInput;
     PVOID ShutdownEvent;
 
     ByteOffset.QuadPart = (LONGLONG)0;
@@ -302,6 +302,19 @@
             /* Set LastInputTick */
             IntLastInputTick(TRUE);
 
+            /* Special treatment for Num Lock which has a multi byte scan code e1 1d 45 e1 9d c5 
+               which results in recieving two distinct keypresses 1d (left control) and 45 (num lock).
+               We skip the first key and add E1 flag to the second one so it gets properly translated to VK_PAUSE.
+            */
+            if (KeyInput.MakeCode == 0x45 && PrevKeyInput.MakeCode == 0x1D && (PrevKeyInput.Flags & KEY_E1))
+              KeyInput.Flags |= KEY_E1;
+
+            PrevKeyInput.MakeCode = KeyInput.MakeCode;
+            PrevKeyInput.Flags = KeyInput.Flags;
+
+            if (KeyInput.MakeCode == 0x1D && (KeyInput.Flags & KEY_E1))
+                continue;
+
             /* Process data */
             UserEnterExclusive();
             UserProcessKeyboardInput(&KeyInput);
Index: win32ss/user/ntuser/keyboard.c
===================================================================
--- win32ss/user/ntuser/keyboard.c	(revision 75615)
+++ win32ss/user/ntuser/keyboard.c	(working copy)
@@ -121,6 +121,9 @@
         case VK_CAPITAL: LedFlag = KEYBOARD_CAPS_LOCK_ON; break;
         case VK_NUMLOCK: LedFlag = KEYBOARD_NUM_LOCK_ON; break;
         case VK_SCROLL: LedFlag = KEYBOARD_SCROLL_LOCK_ON; break;
+        /* Pause/Break has the same scan code as num/scroll lock so don't update the LEDs in this case */
+        case VK_PAUSE: break;
+        case VK_CANCEL: break;
         default:
             for (i = 0; i < gpKeyboardIndicatorTrans->NumberOfIndicatorKeys; i++)
             {
@@ -1071,7 +1074,7 @@
        Note: We could call UserSendKeyboardInput using scan code,
              but it wouldn't interpret E1 key(s) properly */
     wVk = IntVscToVk(wScanCode, pKbdTbl);
-    TRACE("UserProcessKeyboardInput: %x (break: %u) -> %x\n",
+    ERR("UserProcessKeyboardInput: %x (break: %u) -> %x\n",
           wScanCode, (pKbdInputData->Flags & KEY_BREAK) ? 1u : 0, wVk);
 
     if (wVk)