diff --git a/reactos/win32ss/user/ntuser/focus.c b/reactos/win32ss/user/ntuser/focus.c
index 8c6973feb49..bf1a32d259d 100644
--- a/reactos/win32ss/user/ntuser/focus.c
+++ b/reactos/win32ss/user/ntuser/focus.c
@@ -120,7 +120,7 @@ co_IntSendActivateMessages(PWND WindowPrev, PWND Window, BOOL MouseActivate, BOO
                                (WPARAM)UserHMGetHandle(Window),
                                 0);
       }
-      //// Fixes bug 7089.
+      //// Fixes CORE-6434.
       if (!(Window->style & WS_CHILD))
       {
          PWND pwndTemp = co_GetDesktopWindow(Window)->spwndChild;
@@ -229,8 +229,6 @@ co_IntSendActivateMessages(PWND WindowPrev, PWND Window, BOOL MouseActivate, BOO
 
       co_IntMakeWindowActive(Window);
 
-      /* FIXME: IntIsWindow */
-
       co_IntSendMessageNoWait( UserHMGetHandle(Window),
                                WM_NCACTIVATE,
                               (WPARAM)(Window == (gpqForeground ? gpqForeground->spwndActive : NULL)),
@@ -552,9 +550,7 @@ BOOL FASTCALL
 co_IntMouseActivateWindow(PWND Wnd)
 {
    HWND Top;
-   PWND TopWindow;
    USER_REFERENCE_ENTRY Ref;
-
    ASSERT_REFS_CO(Wnd);
 
    if (Wnd->style & WS_DISABLED)
@@ -564,6 +560,7 @@ co_IntMouseActivateWindow(PWND Wnd)
       PWND DesktopWindow = UserGetDesktopWindow();
       if (DesktopWindow)
       {
+         ERR("Window Diabled\n");
          Top = IntFindChildWindowToOwner(DesktopWindow, Wnd);
          if ((TopWnd = ValidateHwndNoErr(Top)))
          {
@@ -576,15 +573,8 @@ co_IntMouseActivateWindow(PWND Wnd)
       }
       return FALSE;
    }
-
-   TopWindow = UserGetAncestor(Wnd, GA_ROOT);
-   //if (TopWindow) {ERR("MAW 2 pWnd %p hWnd %p\n",TopWindow,TopWindow->head.h);}
-   if (!TopWindow) return FALSE;
-
-   /* TMN: Check return value from this function? */
-   UserRefObjectCo(TopWindow, &Ref);
-   co_IntSetForegroundAndFocusWindow(TopWindow, TRUE);
-   UserDerefObjectCo(TopWindow);
+   ERR("Mouse Active\n");
+   co_IntSetForegroundAndFocusWindow(Wnd, TRUE);
    return TRUE;
 }
 
@@ -733,6 +723,7 @@ co_IntSetActiveWindow(PWND Wnd OPTIONAL, BOOL bMouse, BOOL bFocus, BOOL Async)
    InAAPM = co_IntSendActivateMessages(WndPrev, Wnd, bMouse, Async);
 
    /* now change focus if necessary */
+   //// Fixes CORE-6452 allows setting focus on window.
    if (bFocus && !(ThreadQueue->QF_flags & QF_FOCUSNULLSINCEACTIVE))
    {
       /* Do not change focus if the window is no longer active */
@@ -745,7 +736,7 @@ co_IntSetActiveWindow(PWND Wnd OPTIONAL, BOOL bMouse, BOOL bFocus, BOOL Async)
          IntSendFocusMessages( pti, pWndSend);
       }
    }
-
+   ////
    if (InAAPM)
    {
       pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
diff --git a/reactos/win32ss/user/ntuser/msgqueue.c b/reactos/win32ss/user/ntuser/msgqueue.c
index f4475111ded..e6f31cb62b4 100644
--- a/reactos/win32ss/user/ntuser/msgqueue.c
+++ b/reactos/win32ss/user/ntuser/msgqueue.c
@@ -575,6 +575,7 @@ co_MsqInsertMouseMessage(MSG* Msg, DWORD flags, ULONG_PTR dwExtraInfo, BOOL Hook
    {
        pti = pwnd->head.pti;
        MessageQueue = pti->MessageQueue;
+       // MessageQueue->ptiMouse = pti;
 
        if ( pti->TIF_flags & TIF_INCLEANUP || MessageQueue->QF_flags & QF_INDESTROY)
        {
@@ -1342,7 +1343,7 @@ BOOL co_IntProcessMouseMessage(MSG* msg, BOOL* RemoveMessages, UINT first, UINT
     USHORT hittest;
     EVENTMSG event;
     MOUSEHOOKSTRUCT hook;
-    BOOL eatMsg;
+    BOOL eatMsg = FALSE;
 
     PWND pwndMsg, pwndDesktop;
     PUSER_MESSAGE_QUEUE MessageQueue;
@@ -1367,9 +1368,8 @@ BOOL co_IntProcessMouseMessage(MSG* msg, BOOL* RemoveMessages, UINT first, UINT
         if (pwndMsg) UserReferenceObject(pwndMsg);
     }
     else
-    {   // Fix wine Msg test_HTTRANSPARENT. Start with a NULL window.
-        // http://www.winehq.org/pipermail/wine-patches/2012-August/116776.html
-        pwndMsg = co_WinPosWindowFromPoint(NULL, &msg->pt, &hittest);
+    {
+        pwndMsg = co_WinPosWindowFromPoint(NULL, &msg->pt, &hittest, TRUE);
     }
 
     TRACE("Got mouse message for %p, hittest: 0x%x\n", msg->hwnd, hittest);
@@ -1392,10 +1392,6 @@ BOOL co_IntProcessMouseMessage(MSG* msg, BOOL* RemoveMessages, UINT first, UINT
 
     msg->hwnd = UserHMGetHandle(pwndMsg);
 
-#if 0
-    if (!check_hwnd_filter( msg, hwnd_filter )) RETURN(FALSE);
-#endif
-
     pt = msg->pt;
     message = msg->message;
     /* Note: windows has no concept of a non-client wheel message */
@@ -1547,8 +1543,6 @@ BOOL co_IntProcessMouseMessage(MSG* msg, BOOL* RemoveMessages, UINT first, UINT
         RETURN(TRUE);
     }
 
-    eatMsg = FALSE;
-
     if ((msg->message == WM_LBUTTONDOWN) ||
         (msg->message == WM_RBUTTONDOWN) ||
         (msg->message == WM_MBUTTONDOWN) ||
@@ -1807,8 +1801,7 @@ co_MsqPeekHardwareMessage(IN PTHREADINFO pti,
               break;
            }
         }
-        CurrentMessage = CONTAINING_RECORD(CurrentEntry, USER_MESSAGE,
-                                          ListEntry);
+        CurrentMessage = CONTAINING_RECORD(CurrentEntry, USER_MESSAGE, ListEntry);
     }
     while(CurrentEntry != ListHead);
 
diff --git a/reactos/win32ss/user/ntuser/winpos.c b/reactos/win32ss/user/ntuser/winpos.c
index 7919b9a0639..5ad490abfb6 100644
--- a/reactos/win32ss/user/ntuser/winpos.c
+++ b/reactos/win32ss/user/ntuser/winpos.c
@@ -2440,7 +2440,8 @@ PWND FASTCALL
 co_WinPosSearchChildren(
    PWND ScopeWin,
    POINT *Point,
-   USHORT *HitTest
+   USHORT *HitTest,
+   BOOL Ignore
    )
 {
     PWND pwndChild;
@@ -2451,7 +2452,7 @@ co_WinPosSearchChildren(
         return NULL;
     }
 
-    if ((ScopeWin->style & WS_DISABLED))
+    if (!Ignore && (ScopeWin->style & WS_DISABLED))
     {
         return NULL;
     }
@@ -2475,7 +2476,7 @@ co_WinPosSearchChildren(
                     continue;
                 }
 
-                pwndChild = co_WinPosSearchChildren(pwndChild, Point, HitTest);
+                pwndChild = co_WinPosSearchChildren(pwndChild, Point, HitTest, Ignore);
 
                 if(pwndChild != NULL)
                 {
@@ -2506,7 +2507,7 @@ co_WinPosSearchChildren(
 }
 
 PWND FASTCALL
-co_WinPosWindowFromPoint(PWND ScopeWin, POINT *WinPoint, USHORT* HitTest)
+co_WinPosWindowFromPoint(PWND ScopeWin, POINT *WinPoint, USHORT* HitTest, BOOL Ignore)
 {
    PWND Window;
    POINT Point = *WinPoint;
@@ -2524,7 +2525,7 @@ co_WinPosWindowFromPoint(PWND ScopeWin, POINT *WinPoint, USHORT* HitTest)
    ASSERT_REFS_CO(ScopeWin);
    UserRefObjectCo(ScopeWin, &Ref);
 
-   Window = co_WinPosSearchChildren(ScopeWin, &Point, HitTest);
+   Window = co_WinPosSearchChildren(ScopeWin, &Point, HitTest, Ignore);
 
    UserDerefObjectCo(ScopeWin);
    if (Window)
@@ -3447,7 +3448,7 @@ NtUserWindowFromPoint(LONG X, LONG Y)
       UserRefObjectCo(DesktopWindow, &Ref);
 
       //pti = PsGetCurrentThreadWin32Thread();
-      Window = co_WinPosWindowFromPoint(DesktopWindow, &pt, &hittest);
+      Window = co_WinPosWindowFromPoint(DesktopWindow, &pt, &hittest, FALSE);
 
       if (Window)
       {
diff --git a/reactos/win32ss/user/ntuser/winpos.h b/reactos/win32ss/user/ntuser/winpos.h
index adfaa32c17d..ed3464cf19d 100644
--- a/reactos/win32ss/user/ntuser/winpos.h
+++ b/reactos/win32ss/user/ntuser/winpos.h
@@ -52,7 +52,7 @@ UINT FASTCALL co_WinPosMinMaximize(PWND WindowObject, UINT ShowFlag, RECTL* NewP
 BOOLEAN FASTCALL co_WinPosSetWindowPos(PWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx, INT cy, UINT flags);
 BOOLEAN FASTCALL co_WinPosShowWindow(PWND Window, INT Cmd);
 void FASTCALL co_WinPosSendSizeMove(PWND Window);
-PWND FASTCALL co_WinPosWindowFromPoint(PWND ScopeWin, POINT *WinPoint, USHORT* HitTest);
+PWND FASTCALL co_WinPosWindowFromPoint(PWND ScopeWin, POINT *WinPoint, USHORT* HitTest, BOOL Ignore);
 VOID FASTCALL co_WinPosActivateOtherWindow(PWND);
 PWND FASTCALL IntRealChildWindowFromPoint(PWND,LONG,LONG);
 BOOL FASTCALL IntScreenToClient(PWND,LPPOINT);