I have a problem but I don't really have that much information about it, I have this site:
In there I have a feedback form, and out of 20k people around 200 feedbacks I have gotten some in whicn people tell me that they can't click anywhere, nothing is clickable, it comes from all browsers but I don't know which player version.
I don't really have that much information but any feedback on issues related would help.
My guess would be this very small % of people don't realize you have to click the DONE button first. Make this button pulsate, and perhaps the complaints drop off. 1% of your users being a bit slow is certainly well within believable limits.
That or - alternative wild speculative guess - they are using very old versions of the flash player.