I can't open ACSM file. Error message E_AUTH_BAD_DEVICE_KEY_OR_PKCS12. I can't erase the authorisation

[sophieg24358594]

I can't open ACSM file on a MAC.

Error message E_AUTH_BAD_DEVICE_KEY_OR_PKCS12.

I can't cancel the authorization.

How can I read my ebooks?

[Nanaky]

1. Quit Adobe Digital Editions.
2. Navigate to /Users//Library/Application Support/Adobe/Digital Editions and drag the activation.dat file to the trash.
   If you are using 10.7, see Access hidden library files | Mac OS 10.7 and later.
3. Open Adobe Digital Editions and reauthorize.