In response to purchasing an eBook (suffix .edn), and Reader 7.0.8 unable to create and EDB database on 10.4.8 (MacBook Pro - Intel-based), here is Adobe's answer (link and text):
Summary:
"You apparently don't have the edb1drv file in your /Library/CFMSupport/ folder"
Detailed:
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http://support.adobe.com/devsup/devs...docs/54170.htm
Issue
One of my bookstore customers is getting an error when trying to activate Reader on Mac OS X. The error appears when Reader tries to open the .edn file.
Could not create an EDB database: unable to load the specified database driver dynamic link library.
Solution
You apparently don't have the edb1drv file in your /Library/CFMSupport/ folder. Which indicates that Reader didn't fully install on your machine.
Are you trying to run Reader from the .dmg file?
That won't work. Reader has to be installed before it will work correctly.
Incorrect file permssions on your system are the most likely cause.
Before attempting a Reader reinstall, check your file permissions:
Open the root-Library folder on your computer and select the CFMSupport folder: /Library/CFMSupport/ (This is not the Library folder found under your user name.)
Right-click on the CFMSupport folder and select "Get Info"
Expand the "Ownership & Permissions" section of the "Info" window
Expand "Details"
The permisisons for: "You can", "Owner", and "Group" should be Read & Write. "Others" should be "Read only".
If not, change them.
Click "Apply to enclosed items..."
Now reinstall Reader
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So I tried the permissions change, against my better judmgent of altering system level to user ownership of a root / System-level directory. The file gets installed, but then another error occurs upon Activation. (I like how they suggest not to run Reader from an expaned DMG).
"Your Adobe Software could not be activated.
Unable to download necessary files at this time.
Please try again later.
Adobe DRM Activator error (client code 9).
Fault location: 9
Contact Customer support. OK"
If you're a Terminal kind of guy, then here are the before and after permissions before reinstall:
JTMBP: /Library jtobias$ ls -ld !$
ls -ld CFMSupport/
drwxr-xr-x 4 root wheel 136 Sep 29 10:55 CFMSupport//
JTMBP:/Library jtobias$ ls -ld CFMSupport/
drwxrwxr-x 4 jtobias wheel 136 Sep 29 10:55 CFMSupport//
I've contacted Abode customer service but don't own a support plan need for technical support.
Since this appears to go back to 2002, and the wording sounds like Windows DLL, I'm guessing something happened between Reader 6 or earlier (which Activated) and Reader 7 and OS 10.4.