Photoshop corrupting CR2 RAW files

I opened about 80 CR2 RAW files in Photoshop to preview, tweak a few, and export as PSDs. Clicking the down arrow to see each pic, three different times I got the twirling beachball. After waiting a while I force quit PS and when I opened them again the file that was twirling became un-readable. PS says "File format module cannot parse the file." What gives? I've never seen this before on other versions of PS. I'm on Lion and am running the trial of Design Premium.

Mr D\'Errico, I think that we misunderstood each other. You are more than welcome to share your experience here. I am and have been moderator on several forums online, but, as you might have read from other's comments, I am not known to be confrontational, au contraire...
Sorry if you tool offense, I did indeed mistakenly believe you had similar issues than the OP, when you were in fact sharing previous experience.
But, I really did not mean anything bad, and am flabbergasted to the extend on which you took my posts as being confrontational, as they were intended as being helpful, as most of my posts are!
I genuinely tried to explain the reasoning of my mention of the Elements forum, in my second post, by explaining that several Elements users seeking for help arrive here, and we usually redirect them where users with more experience with that product hang out. I did not mean at all to wave you off of this place, as, everybody is welcome to hang out everywhere they want in the forums, share experience/knowledge, like you did in your first post; I just tried to explain why I made the elements forum notice in the first place.
As for my remark about optical disks, sorry, but I will stand on it: (besides my typo :"small" when I meant "slow" ): it would be quite slow to read them directly in ACR, or to write the XMP (if writing is allowed) compared to reading/writing them from the Hard drive, especially, as you mention rightfully,  when some optical drives can have issues, thanks again for reporting it.
Now, can we please get back to the problem at hand? If you want, you can contact me by private message, I'd really want to settle this misunderstanding. I'll stop the coffee if you do, ok?
Thanks for the vote of confidence, Noel, Dag, Trevor and Jeff!

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                Re: Why can't I download Canon S100 CR2 RAW files into
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