The NXTCamViewer is a bit crap, I have it with both my NXTCams and I know they work fine
I've had to reboot my computer to make it work again because the COM port that the camera uses gets locked up.
| Professional Conduit of Reasonableness
| (Title bestowed upon on the 8th day of November, 2013)
| My Blog: I'd Rather Be Building Robots
| ROBOTC 3rd Party Driver Suite: [Project Page