Ah, thanks. I couldn't find the forum for shockwave in the list...
It's 64-bit. I did read somewhere that Shockwave was for 32 only, but then how do I fix this? I kept getting missing plugin messages telling me to install Shockwave/Director/whatever. I never had this problem before on Aurora or Firefox. Like I said, I tried it on another computer and got the same issue (I used either Firefox or Aurora, can't remember which (Aurora is a Firefox beta browser, not all that different)), and I tried it on Firefox on a mac as well.
When I tried it on the mac, the little lock screen came up saying to install missing plugins, but when I clicked to check for plugins, a window came up saying that no plugins could be found (then why is it telling me to install it if it doesn't exist?).
I have tried to run the Shockwave player activity on IE - it also doesn't work. I asked my professor in class and we tried it on the school computer and it worked fine. However, another student was having the same problem on her mac (where it tells you to install the missing plugin but then says no plugin could be found to install). I thought it might be limited to Firefox but lo and behold, it's IE too...
EDIT: Moved discussion to the appropriate forum here: http://forums.adobe.com/thread/1191174