From 649a512324d7a0b7aa039f17d2f049ca0a070125 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Thu, 2 Oct 2003 11:46:04 +0000
Subject: [PATCH] make sure the notify HWND is valid

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2988 212acab6-be3b-0410-9dea-997c60f758d6
---
 Source/makenssi.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Source/makenssi.cpp b/Source/makenssi.cpp
index 699433cb..ca09388d 100644
--- a/Source/makenssi.cpp
+++ b/Source/makenssi.cpp
@@ -207,7 +207,12 @@ int main(int argc, char **argv)
         build.print_help(NULL);
       nousage++;
     }
-    else if (!stricmp(argv[argpos],"/NOTIFYHWND")) build.notify_hwnd=(HWND)atol(argv[++argpos]);
+    else if (!stricmp(argv[argpos],"/NOTIFYHWND"))
+    {
+      build.notify_hwnd=(HWND)atol(argv[++argpos]);
+      if (!IsWindow(build.notify_hwnd))
+        build.notify_hwnd=0;
+    }
     else if (!stricmp(argv[argpos],"/HDRINFO"))
     {
       if (build.display_info)