Finally, a possible solution beyond the Adobe KB's that tell you to futz with the FlexNet licensing files. Not that I didn't spend a day and a half trying. Anyway:
Solution 7: Remove the SQLite journaling file.
The journaling file will only exist under specific circumstances where a client is accessing the database file with certain options enabled. If the file does not exist please continue to the next solution.
* On Mac
* On Windows
On Mac
1. Using Finder, navigate to /Library/Application Support/Adobe/Adobe PCD/cache.
2. If present, delete cache.db-journal.
3. Launch Adobe Acrobat 9 or a Adobe Creative Suite 4 product.
On Windows
1. Using Explorer, navigate to \Program Files\Common Files\Adobe\Adobe PCD\cache.
2. If present, delete cache.db-journal.
3. Launch Adobe Acrobat 9 or a Adobe Creative Suite 4 product.
