Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/xpdm/VBoxVideo.inf
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/xpdm/VBoxVideo.inf	(revision 82395)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/xpdm/VBoxVideo.inf	(revision 82396)
@@ -56,5 +56,5 @@
 [vboxvideo_Service_Inst]
 ServiceType=1                   ; SERVICE_KERNEL_DRIVER
-StartType=3                     ; SERVICE_DEMAND_START
+StartType=1                     ; SERVICE_SYSTEM_START (required, old non-PnP Windows versions need it)
 ErrorControl=0                  ; SERVICE_ERROR_IGNORE
 LoadOrderGroup=Video