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I'm sorry I'm a korean so I'm not good at English.

I have a computer which has two graphic cards (radeon 4850, 5800)and 4 monitors with triplehead2go. When I start trackIR software, it's window just blinks and disapears then there is trackIR icon at the right side of the windows start menu but disappears when I try to tuch it by mouse.
At the ohter three computers of mine, It works properly. I think it is not a problem of trackIR itself. Is there anyone who can solve this problem? I wonder if trackIR works in two graphic cards system. Thanks for your listeing.

p.s I use the latest version of graphic card and trackIR driver

What video card drivers do you have installed?

Are you runnig any other applications in the background?

I am not aware of any issues, with system, with more than one video card.

What version of Windows are you using?

I have installed "ATI catalyst display driver for XP v10.3"
And My OS is "WindowsXP SP3". There had been no other application programs in background except virus veccine when I start TrackIR. As I said before, I have three other computers with same OS, Same graphic card driver, and the other things. The only difference is they have only one monitor and graphic card. When I start my main computer with one graphic card with three monitors with triplehead2go, TrackIR works well, but When ever I boot with two graphic cards, It doesn't operate.
Are there any other informations you want to know? Thanks for reply. I hope there will be way to fix it.

Do you have any OPenGL features, or options running in the video card software?