Recording speed-up and video corruption

hey folks - just finished making a few application recordings. in each case there are moments where the video portion speeds up (and falls out of sync with the audio) as well as graphical corruptions which look like overlaps... has anyone experienced this before and are there any ideas around fixes vs. re-recording those portions?
thanks in advance.

Hi there,
Can you please confirm the complete version of Captivate (help > about Adobe Captivate), and also tell which operating system is it?
Have you tried to uncheck the compression options from Edit > preferences > SWF size and quality and Changing the Slide quality for every slide to 24 bit or Optimized.
Thanks.

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My Mac Pro arrived a few days ago. It's a CTO with a X1900XT and Aperture and some other options (wireless, RAM, HDD).
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That picture you're showing seems awfully familiar. It's the same kind of corruption as I'm seeing. Only I haven't had a single lockup yet.
I've been on the phone with Applecare this evening. It was a friendly guy who helped me through the basic stuff such as:
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