|The fact that you mentioned it is a networked PC leads me to think that the pictures are stored on a network drive? |
If so, either download the pictures to your local C drive or check the power settings on the network card. It may go into power save mode when the screensaver kicks in and turns off the network card.
It could also be a group policy set by the administrators that keep the screen saver from activating, although this seems unlikely.
message edited by THX 1138