Support articles specifically for Adobe Digital Editions (ADE).

• Adobe Digital Editions sign-in is changing: what eBooks.com customers need to know
• Error message: filename too long
• Error message: License key is damaged.
• Error message: The vendor account you entered is not associated with the item you are trying to open.
• Adobe ID password has been forgotten / needs to be reset
• Error message: Adobe Digital Editions quit unexpectedly.
• Error message: E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER
• Error message: E_ADEPT_SIGNIN_CONNECTION_EXCEPTION
• Error message: E_ADEPT_NO_FULFILLMENT_RESULT
• Error message: E_ADEPT_USER_AUTH
• Error message: Unable to add document. This file's format is not currently supported.
• Error message: E_ADEPT_DOCUMENT_OPEN_ERROR
• ADE installation needs Administrator rights
• The ADE user interface has disappeared
• Error message: The original document file is missing!
• Error message: Errors were encountered in this item
• Error message: Unable to Open "Ebook Title"
• Error message: E_AUTH_USERID_INUSE
• Using Screen Reader software
• Error message: E_ADEPT_NO_TOKEN
• Error message: CE_COPY_NOT_ALLOWED - No permission to copy the ebook
• Error message: E_ADEPT_REQUEST_EXPIRED
• Error message: E_ADEPT_INTERNAL
• Error message: E_AUTH_BAD_DEVICE_KEY
• Error message: E_AUTH_BAD_DEVICE_KEY_OR_PKCS12
• Error message: E_IO_WRITE
• Error message: There was an error opening this document. The security plug-in required by this command is unavailable.
• ADE Installer can't be opened because it is from an unidentified developer
• Error message: ret_record_core_invalid_client_cert
• Error message: E_IO_cannot_open