Maichael,

Do you know how they protect it? And does it stall at the same point every time?

Some sites do tricks like change the url of the video every few minutes and checks for the correct referring link.

If behind a proxy or firewall you may not be sending them that info.

You dsable your firewall?

I dont think its has to do with the lock feature whatever that is if you are having problems on all browsers.

IF it locks at the same point all the time it MAY be an issue with them and that video.