Index: /trunk/src/VBox/Runtime/r3/win/init-win.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/win/init-win.cpp	(revision 48303)
+++ /trunk/src/VBox/Runtime/r3/win/init-win.cpp	(revision 48304)
@@ -221,7 +221,6 @@
     }
 
-#if ARCH_BITS == 32
-    if (g_enmWinVer > kRTWinOSType_VISTA) /* Observed GUI issues on 32-bit Vista. */
-#endif
+    /** @bugref 6861: Observed GUI issues on Vista (32-bit and 64-bit). */
+    if (g_enmWinVer > kRTWinOSType_VISTA)
     {
         typedef BOOL(WINAPI *PFNSETDEFAULTDLLDIRECTORIES)(DWORD);