Here is what I do:
- Open DNG Profile Editor
- Open DNG file(s) with the checker picture
- Set the four corner marks
- Generate the profile
- Select File -> Export
- Generated dcp file gets saved in C:\Users\m\AppData\Roaming\Adobe\CameraRaw\CameraProfiles
I had several problems. One the AppData folder was hidden and instead of exporting the .dcp file via DNG Profile Generator to your designated location I just copied and pasted an earlier .dcp file I had created in that location.
So now I need to figure out how to make it work on the iMac I use. The only profile it has in Adobe Camera Raw is ACR 3.3. I will have to place another post regarding that I think.
The "m" in this case refers to a User account name that you have chosen.
I think that the location/s for the profiles can vary according to which Photoshop and/or Lightroom programs that you have installed.
It may also be influenced by whether you have had previous versions of the programs installed/uninstalled and in what order.
I'm not familiar with how the particular location that you have listed fits into the processes. I can tell you that there are no profiles at that location on my W7 64 PC with CS5 64 and LR2.7 64 installed and both displaying the custom profile options in use.
On my machine the only location for the custom profiles (except for backups) is