The database disk image is malformed
The following messages are displayed when you try opening a specific Profile:
The database disk image is malformed database disk image is malformed Developer encountered a critical error and must be restarted. Exiting will close the application. If possible, Developer will ask you to save your work.
Your Local Repository is corrupted.
Click Continue. UPK will open but you will not be logged in to the Library. Go to Tools > Profiles, delete the Profile in error, and recreate it. You will lose any changes to documents that you have checked out.
If you need to locate the URL of the Library, you may be able to edit the Profile before deleting it, and make a note of this information.