There is a very serious bug with raw processing and Canon 5D Mark II. It probably affects more cameras, but this is the only one I've extensively tested. After you process a raw image and click done you cannot apply last preset to any other photos, or even just click on any other raw photo, because the first photo that was being processed will become corrupt and unusable. And this is the strangest aspect of the bug – I know ACDSee doesn’t modify the RAW file itself, but even after I delete the corresponding XMP file or even delete the whole database, the RAW file still produces Source data format is not recognized error. Sometimes, however, it manages to display the photo, but often times it is just empty. Other times the bug kicks in within the batch conversion to JPEG and displays Internal processing error. Basically the bug renders the program useless for a Canon 5D RAW enthusiast. I have so far managed to produce it every single time I start the program on 4 computers, all Vista, ranging from 2GBs to 16GBs of RAM.
My 40D RAWs produce it also, but much more rarely.
What is worse, I went back to ACDSee Pro 2.5 and it produces exactly the same bug in exactly the same way.
As it should be, the RAW files are actually untouched and process normally in other software.


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