From 80c1dfbc165fcc530e31421131bb1a1164cb57f1 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 1 Dec 2006 16:29:36 +0000
Subject: [PATCH] fixed bug #1605581 - nsExec:ExecToLog is unstable in silent
 mode

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4835 212acab6-be3b-0410-9dea-997c60f758d6
---
 Contrib/nsExec/nsexec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Contrib/nsExec/nsexec.c b/Contrib/nsExec/nsexec.c
index bbdf332f..fa06367a 100644
--- a/Contrib/nsExec/nsexec.c
+++ b/Contrib/nsExec/nsexec.c
@@ -143,7 +143,9 @@ void ExecScript(int log) {
   g_to = 0;      // default is no timeout
   bOEM = FALSE;  // default is no OEM->ANSI conversion
 
-  g_hwndList = FindWindowEx(FindWindowEx(g_hwndParent,NULL,"#32770",NULL),NULL,"SysListView32",NULL);
+  g_hwndList = NULL;
+  if (g_hwndParent)
+    g_hwndList = FindWindowEx(FindWindowEx(g_hwndParent,NULL,"#32770",NULL),NULL,"SysListView32",NULL);
 
   // add space
   pExec = g_exec + lstrlen(g_exec);