I'm having the same issues. Only some videos load most never do though. Like the kenmore live studios stream is working fine but others just sit there and load forever even though I know they're live. It doesn't make sense.
Refreshing, restarting, updating flash and all that, hasn't made a difference, and I'm not using a blocker so that's not it either. I'm lost. I thought it was on Livestream's end at first, and that it'd be fixed, but it has been quite awhile now and I'm still getting this same problem. Some streams just refuse to load.