Why can't they see html video?

I have been publishing to cd for quite some time and all things were wonderful until my ITS department wanted us to use html with flv video to make things smaller. Well, they can't see the video. I am thinking that they will need to install the viewer to all machines, but then why is Lectora "pack and go"? I thought that it would be able to play within the condensed file? Do I have to copy the player into the file?

I'm so confused!

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