What video file types are affected like this? What codecs do they use?

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"Eric" <Eric@discussions.microsoft.com> wrote in message
news:63258E52-79BA-4B17-B4E8-56A6230F920C@microsoft.com...
> When I play a large video file, the player often behaves as follows
> - first the sound stops then restarts,
> - then the video stops and the sound continues
> - then after a while the video rushes forward to re-synchronise with the
> sound.
>
> and so on.
>
> Any ideas as to the problem. Do I need more memory? More disk space?
> Faster
> computer.
>
> All would seem to be fairly adequate.
>