From 7d1b50394b90b94f5d08ecb2b248e421ae2a1c5d Mon Sep 17 00:00:00 2001
From: Doug Lyons <douglyons@douglyons.com>
Date: Sun, 19 Dec 2021 09:03:22 -0600
Subject: [PATCH] [WIN32SS] Do not remove message from the Msg Queue if it is
 not for us. (#4129)

CORE-8217
Patch from 'I_Kill_Bugs' contributor.
---
 win32ss/user/ntuser/msgqueue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/win32ss/user/ntuser/msgqueue.c b/win32ss/user/ntuser/msgqueue.c
index 354475a8aa8..c82245f6d2d 100644
--- a/win32ss/user/ntuser/msgqueue.c
+++ b/win32ss/user/ntuser/msgqueue.c
@@ -1524,7 +1524,7 @@ BOOL co_IntProcessMouseMessage(MSG* msg, BOOL* RemoveMessages, BOOL* NotForUs, L
     {
         // This is not for us and we should leave so the other thread can check for messages!!!
         *NotForUs = TRUE;
-        *RemoveMessages = TRUE;
+        *RemoveMessages = FALSE;
         return FALSE;
     }