Hi,
My problem is this: I have 2 Act-Labs Light guns and whenever I try to calibrate them, they stop working completely after calibration.  The cursor jumps to the same spot no matter where I point the gun.  If I reset the computer or just unplug the usb and plug it back it, they work ok until I try to calibrate them again.  It seems like the calibration isn't working at all.  Has anyone had a similar experience and fixed it?  Thanks in advance,
    - DigitalAce7