Difficulty with converted jpegs

Howdy All!!
I shot a job in RAW using a Canon 30D and imported into the AP library. I renamed all images when importing to reflect the job name, but of course all retained their .crw extension. I am now having trouble opening them in any other program. I exported them as jpgs to a flash drive and then tried to open in Paint Shop Pro. No go. I tried exporting the masters to my desktop and then converting to .jpgs using Digital Photo Professional (Canon's proprietary software). Digital Photo Professional appears to recognize tham as Canon Raw files, but won't convert them. Any idea what's going on and how to correct it?
Thanks,
HPL

Thanks for the suggestion. Paint Shop Pro recognizes either normally, so that shouldn't be the problem. I am somewhat more concerned about the way Didital Photo Professional won't convert the images.

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My system is set up that I have both RAW & JPEGs in the same folder since I shoot JPEG+RAW. How can I import just the raw images without also sucking in the jpegs? There is no way to distinguish the difference in the Import box and also no way to easily separate the the two in the Import box. I've tried using the List View and separting them by File Size, but Aperture has a stupid bug here and it tells me that the JPEG file sizes are in the teens (like 17-18 megs) and they are still hard to separate from the RAW which are about the same size.
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I'm not doing anything. What I wrote in my workflow example above is exactly what I'm doing. I've been trying some experiments to see if it was "A Better Finder Rename" that is causing the issue. So far, no go. I have taken just a couple of JPGs only and pointed Aperture's Import to the folder that contains them. Aperture is reading that there are only 2 jpegs (which is what there is) and their file size is right on the mark.
Ok. I just narrowed it down to something. The flaw is showing up after the RAW files are converted to DNGs. The JPEGs do not show up in the Import box when there are camera raw files like NEFs or CR2s and the corresponding JPEGs. That is Aperture's normal behaviour. But, and this is a big BUT, when the raw files are converted to DNGs and they are in the same folder as the corresponding JPEGs, that's when Aperture pulls its shenanigans. It has something to do with the JPEGs and DNGs having the same name. Even though the files have different extensions, Aperture is doing something to the file size of the JPEGs that make them seem that they are much larger files than they actually are.
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I had 2 CR2 files and the corresponding JPEGs in a folder. Pointing Aperture's Import to that folder, Aperture did what it is supposed to do; it saw only 2 raw files (doesn't matter that the G9 CR2 files are not supported yet). So, I renamed all the files using A Better Finder Rename and Aperture still only saw 2 raw files.
So far so good.
Then, I converted just the 2 CR2 files to DNG and kept them in the same folder. Aperture saw 2 DNGs and 2 CR2 files. No jpegs were seen. Business as usual. Then I removed the CR2s and renamed the jpegs so they had the same names as the DNGs (except for of course different extensions) and that's when Aperture saw the jpegs as separate files and saw them with bogus file sizes.
So I tested that by altering the jpeg names so that they were different from their corresponding DNGs and Aperture went back to seeing the jpegs with the correct file sizes.
Therefore, Aperture is having some difficulty with two separate files, one JPEG and the other DNG, when they both have the same name (different extensions, of course).
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We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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>wanted to share
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Difficulty with converted jpegs

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