Index: /trunk/src/VBox/Runtime/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Runtime/Makefile.kmk	(revision 19929)
+++ /trunk/src/VBox/Runtime/Makefile.kmk	(revision 19930)
@@ -1030,4 +1030,6 @@
 RuntimeR0_SOURCES.win.amd64 = $(RuntimeWin64ASM_SOURCES)
 RuntimeR0_SOURCES.win.x86   = $(RuntimeWin32ASM_SOURCES)
+RuntimeR0_SOURCES.win = \
+	nt/NtProcessStartup-stub.cpp
 
 RuntimeR0_SOURCES.os2 = \
Index: /trunk/src/VBox/Runtime/nt/NtProcessStartup-stub.cpp
===================================================================
--- /trunk/src/VBox/Runtime/nt/NtProcessStartup-stub.cpp	(revision 19930)
+++ /trunk/src/VBox/Runtime/nt/NtProcessStartup-stub.cpp	(revision 19930)
@@ -0,0 +1,43 @@
+/* $Id$ */
+/** @file
+ * IPRT - NtProcessStartup stub to make the link happy.
+ */
+
+/*
+ * Copyright (C) 2009 Sun Microsystems, Inc.
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
+ * Clara, CA 95054 USA or visit http://www.sun.com if you need
+ * additional information or have any questions.
+ */
+
+/*******************************************************************************
+*   Header Files                                                               *
+*******************************************************************************/
+#include <iprt/asm.h>
+
+
+extern "C" void __stdcall NtProcessStartup(void *pvIgnored);
+extern "C" void __stdcall NtProcessStartup(void *pvIgnored)
+{
+    ASMBreakpoint();
+    NOREF(pvIgnored);
+}
+