Adobe Bridge Corrupts Canon CR2 files

Viewing Canon CR2 RAW files from a Canon EOS 7D or Canon EOS 40D camera will corrupt some images. After Adobe Bridge creates a
thumbnail of the CR2 files, some images previews will show the file with corruption (large white square or discolored areas). The CR2 file then
becomes corrupt. The file is not corrupt prior to viewing in bridge, but it becomes corrupt after viewing in bridge. The file is corrupt because it can
no longer be processed with any other RAW conversion program including ACR, DPP, or BreezeBrowser. If the file is marked as read only before viewing in bridge, the image preview shows corrupt in Bridge but the file remains intact and can be processed with Canon's DPP software. This issue first occured with CS4 and the ACR 5.5 update. The problem seemed to be less prevalent with the ACR 5.7 update. However after upgrading to CS5 this problem is back and worse than ever.
When doing a detailed file compare between a corrupted version of a CR2 file and a copy of the same file before the corruption occurs it appears as if metadata has been written to the wrong part of the file (middle) instead of the beginning (header).
Operating System: Windows 7

I am trying to fix this problem as well.
In my case, I've got Windows 7 (32-bit), CS5, and a Canon 50D.
I've got photos that I can view perfectly in Canon's Digital Photo Professional, but the SAME photo in the SAME directory opens corrupted in Bridge.
Here's an interesting wrinkle:
Scenarios:
(fyi - all my CR2 images are pulled off the CF card using Bridge's loader)
CR2 Image opened in Canon's Digital Photo Professional: Opens Fine.
CR2 Image opened in Photoshop directly (skipping Bridge): Opens Fine. (opens in Camera Raw first, of course, but still Fine)
CR2 Image 'browsed to' in Bridge: Corrupted pinky/yellow/white.
CR2 Image double-clicked in Bridge, opens in Camera Raw: Corrupted pinky/yellow/white.
Bridge closed.
CR2 image opened in Photoshop directly again. Pay attention... opens 1st in Camera Raw: Corrupted, but for only five seconds! It refreshes on its own and now is Fine! Click Open Image into Photoshop and it Opens Fine again.
It's clear to me Bridge/Adobe something is corrupting these images.
It seems sometimes that the corruption becomes permanent, and even Canon's Digital Photo Professional shows a corrupted image. In the scenarios and order mentioned above, the CR2 file remains openable fine in Digital Photo Professional. So, why other images I have cannot open well in Digital Photo Professional, I do not know -- perhaps the order I clicked things caused Bridge to update the CR2 file?
I'm in the process of updating all CS5 software to the latest, in case I'm missing some updates. If anything improves as a result, I'll update here.
]{evin

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Martha,
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If you go to the Photoshop menu > About Plug-in > Camera Raw…, you should see only one instance of Camera Raw and it should be 4.6 when you select that menu item.
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This excerpt is from a long-gone post by author Bruce Fraser:
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Hi all,
Up until some time between July 2010 and September 2010, the focusing points embedded in the original Canon CR2 files were also converted and containded in the DNG-file. Hence up until this point in time the focusing points were shown in Apple's Aperture. Since September 2010 this is no longer the case.
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Morning All,
My machine has just started corrupting some of my cr2 files. I bring them back from the card as well as from my backups and all of a sudden all of the versions are corrupt. I can open them in IrfanView no problem. I can open them in DPP by Canon no problem. Just Bridge does this. I have installed all of the latest updates for all Adobe products. The thumbnail is corrupted with white/pinkish squares as well as the preview pane being corrupted. However, I have just noticed that I am able to open the file in Camera Raw 6.3 and it shows corruption for several seconds and then shows the uncorrupted Raw. I can make changes etc and save them by pressing done. I then see the thumbnail and it's still corrupted. Purging the cache doesn't seem to make a difference.
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Windows: Microsoft Windows 7 Ultimate, 64Bit
Memory (RAM): 12280 MB
Motherboard: ASUSTeK Computer INC. P6T SE
CPU Info: Intel Core i7 CPU 920 @ 2.67GHz
Display Adapters: NVIDIA GeForce GTX 260
Monitors: 2x; NEC MultiSync LCD2690WUXi2 1920 x 1200 32 bit, ViewSonic VA2213w SERIES 1920 x 1080 32 bit
Hard Disks:
C: 128GB A-Ram Pro Series SSD for Programs
D: 4 x 1 Gb Samsung HDs in Raid 1 + 0 1863.0GB size for Data
O: 59.6GB A-Ram Pro Series SSD for Win7 and Adobe Swapfiles
The files were perfect earlier today, It's just now that they seem to be corrupting and the more I look at them the more of them corrupt. I have deleted and rebuilt the cache. I use xmp files. I've deleted them as well to no effect. I am checking the file system and may be wrong but I don't think this is a file system problem.
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G'day Curt,
I smacked myself on the forehead when I read your reply. How could I have forgotten to do that? However, after trying that, the problem persists and more files are corrupting. I now have around ten files of around 200 in a party folder I have that have corrupted. They all were perfect several days ago.
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Hi Chris
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Message title was edited by: Brett N

Now then ssprengel
I think we are getting somewhere.
I have not had a chance to look at the other logs you suggest yet. But...........
I made sure the old Camera Raw.8bi file was remnamed with a totally fictitious extension so that the new file from the linkk you sent could not be mistaken..........but no joy.
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Adobe Bridge Corrupts Canon CR2 files

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