Can't read frame from file

We use proxies in our work flow, pre-rendering certain comps before rendering out the final project. For the most part this works fine, but occasionally we'll get an error that reads: "Error (4) reading frame from file." It's always the same comp but it doesn't cause the problem in every project.
We use the quicktime codec with Tiff compression. Could it be a memory issue? Any help would be greatly appreciated. The error always pops up at the most inconvenient time -- of course.
Thanks,
Julian

Well, if it's always the same file, then most likely one of the source footages is really damaged. The error not occuring every time mustn't mean anything. If the element in question is not visible at the given frame or AE doesn't do anything with it because it isn't required, naturally the error would not occur. I'm afraid the only way to track this down is to selectively disable/ remove the sources from the comps in question and render some test clips. Perhaps it would also help to check all the files used in the project in a "neutral" app such as external image and video viewers (XnView, VLC, MediaPlayer Classic...)
Mylenium

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Help - error in reading frame from file

Hi there
Couldn't find any reference to this particular problem after searching around a whole load.
I had my Mac crash on me a few days ago and since then I've been only able to work on my current project for ten minutes at a time before I get the above dialogue come up.
It's not just this file that suffers from this and there doesn't appear to be a pattern to which file is affected. The files that are mentioned in the dialogue are outputs from both FCP and from AE itself, they are always Quicktimes and they are compressed with the Animation codec, although I've used a number of other codecs and it doesn't seem to make any difference. If I quit and restart AE, I can continue working for a while on a composition with the same file that caused the dialogue to appear, until it happens again, often with a different file mentioned in the dialogue.
We have re-installed the CC suite after an uninstall and clean-up, but to no avail.
Anyone else had this problem?
Do we need to reinstall the OS? Could it be a quicktime thing?
Many thanks for you help in advance.

See this thread, on which one of my colleagues is helping folks troubleshoot some related issues:
http://forums.adobe.com/message/5549272

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Hi hosoriol,
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Deep,
File manuplations...............................
1. At the presentation level:
->GUI_UPLOAD
->GUI_DOWNLOAD
->CL_GUI_FRONTEND
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<b>reward points if useful.</b>
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Please do report your find with the details you state (well done!) here: https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform
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