Problems playing video within flash application on windows 7

Hello, I am trying to debug a problem with a stand-alone flash player application. I have been given some educational content that has been packaged as an adobe flash player application for windows.
This program has embedded mp4 files. I can see the files on disk also and I can play them fine with every video player on my PC.
However when I play the videos inside the flash application they video sticks, replaying the first frame over and over (the audio continues fine). I don't think this is a problem with the adobe application because it works fine on several other machines.
This seems to be an issue with one specific machine (windows 7) and how it interacts with this application.
The properties tab on the abobe player exe shows a version of 11.4 r402.
I have tried to research this online and also on these forums but all advice seems targeted at the players for browsers, and this is something different. I am not sure how it is produced, I think perhaps by some adobe packaging product the provider is using.
I also realize this may be the wrong forum but it was the best match I could find.
Any tips and pointers greatly appreciated!
thanks
James

Any ideas here? Even a suggestion for a better forum would be great.
I am really confused that the videos play fine with media players I have but not within the adobe player app.
Any suggestions?

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Keith,
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