I added two videos to my presentation, both had start automatically and advance to next slide when done. While I was testing the function on-air, the first video played as expected and so did the second, however, midway through the second video I went into edit mode on a completely different slide and the second video ended immediately. I went back to a previous slide and advanced to the first video, but it wouldn't play. The second video wouldn't play either. Going off-air and back on didn't help. Closing Proclaim and restarting didn't help, I finally had to reboot my computer to get the videos to play again. Needless to say I had my fingers crossed that they would work during the service.
Windows 7 64 bit.