I could not find the Picture Project icon to disconnect the camera so I used the File-Exit mode. Now the camera won't work and

[Ladymurphy]

Problem with D40 camera and Picture Project. The icon that enables safe disconnection of the camera no longer appears and using File-Exit has caused the camera to stop working and Picture Project to stop recognizing the camera.

 

[Ubrales]

Nikon's Picture Project was phased out sometime ago. It was replaced with "Nikon Image Space" - http://nikonimagespace.com/?country=US

Try the new website.