CS4.0.1 Audio vanishes while on timeline

Hello,
We have a problem with audio going missing on the timeline. The project's clips are selected and added to the timeline as usual, but after a few save/load cycles, we find that the audio and video of a clip in the timeline become unlinked, and the audio itself becomes silent. Its filename/clipname is still correct. The waveform display in the timeline is nothing but a flat line, and the clip when played from the timeline is silent. However, linking audio and video once more, and doing a match-frame produces a clip in the source monitor which, from the same stored media, DOES have working audio.
I also find that sometimes the mere act of pressing M to match the frame results in the audio magically re-appearing in the timeline even without replacing the whole clip.
This is making it impossible to edit to any schedule. Can this be resolved?
Thank you for reading this,
yours,
J

Eddie,
While it could well have re-surfaced with the update, I encountered this exact behavior in PrPro2. It happened to me, after a Render of the Timeline. There was a long discussion thread on the loss of the Audio and the Waveform Display going "flat-line." Unfortunately, that was just before the first Adobe forum change and that article disappeared. Stanley Jones found it in a "lost" archive, but that was just before the recent forum change.
There were many comments and suggestions that followed that thread. Unfortunately, I do not recall what the exact resolution to the issue was. It had not happened to me before, and has yet to happen again. I was able to manually change out the Audio on the Timeline with the sources from the Project Panel, so I was able to get on with the editing. The "resolution" came too late to save me the work - but it was an "all's well, that ends well" sorta' thing.
In one form, or another, this behavior has been around for a bit. If I can ever locate that thread, I'll post a live link to it. I fear, however, that with two Adobe forum changes, it's gone to Byte-Heaven.
To the OP,
I was able to do as described above - replace each Audio Clip with the one from the Project Panel, and the problem never surfaced again for that, or any other, Project on my computers.
Good luck,
Hunt

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