Hardware : iMac 27' i5

Mac OS X Version 10.6.7 (both 32/64bit)

I Instatlled The Newest Driver (v1.4.1), And Follow Ever Steps On "User's Guide" When I Got My New AlphaTrack

But When I Restrat MAC and Open AlphaTrack Manager, It Shows "AlphaTrack Not Available" in "Status" (And Also "Control Mode" shows gray which means i can't switch any option in it)

Please Any One Can Help Me With This

Thanks A Lot !