Index: /trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp
===================================================================
--- /trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp	(revision 66576)
+++ /trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp	(revision 66577)
@@ -646,5 +646,5 @@
     if (pThis->hDevice != NULL)
     {
-        if (!CloseHandle((HANDLE)pThis->hDevice))
+        if (!NtClose((HANDLE)pThis->hDevice))
             AssertFailed();
         pThis->hDevice = NIL_RTFILE; /* yes, that's right */