Index: /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxDispIf.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxDispIf.cpp	(revision 37629)
+++ /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxDispIf.cpp	(revision 37630)
@@ -442,5 +442,5 @@
                             || (paDeviceModes[j].dmPosition.x & 0xfff8) != (DeviceMode.dmPosition.x & 0xfff8)
                             || (paDeviceModes[j].dmPosition.y & 0xfff8) != (DeviceMode.dmPosition.y & 0xfff8)
-                            || (paDisplayDevices[j].StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) == (DisplayDevice.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP))
+                            || (paDisplayDevices[j].StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) != (DisplayDevice.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP))
                     {
                         return FALSE;