Try running the configuration program and switching to software more, and perhaps lower the screen resolution, until you get past the scrying scene. A couple people found that the problem was random, and if they did something else in the game for a bit and then went back and scried, it would work. Others found that background programs could cause problems, particularly during the scrying scenes, and that shutting down all non-essential programs before starting the game would help.
Troubleshooting Tips (& manual install procedure)
