diff --git a/host/WinDebug.h b/host/WinDebug.h
new file mode 100644
index 00000000..573fb9c9
--- /dev/null
+++ b/host/WinDebug.h
@@ -0,0 +1,24 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#pragma once
+
+#include "Util.h"
+
+#define DEBUG_WINERROR(x, y) Util::DebugWinError(STRIPPATH(__FILE__), __LINE__, __FUNCTION__, x, y)
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