hmm... clear cache (in Netscape or IE... whichever one your using) ... update to the latest version of Shockwave, and restart u'r computer.... (the FAQ tells you how to do all these things)
http://projectx.cyberfuturism.com/faq/internet/
i'm also getting reports that Zone Alarm Pro is causing major problems with the game, due to retarded "privacy" settings for the browser....