wm capture 6.0.6.1 background mode problem

[pappubeta]

hi there,
i am not able to capture in background mode with wm capture 6.0.6.1
when it starts it shows a message window sayingn xp systems wm capture disables video acceleration.it goes in to screem capture mode.
in settings it shows background mode button as grayed out and i can not click on it to enable it.

my system has:
os:win xp sp3,ver 5.1 build 2600
ram:4gb:
chipset:intel(r)g41 chipset
ie:7
windows media player:10

same problem with wm capture 6.2.2

please help to get it working on windows xp



thanks