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Can't use or de-authorize account "E_AUTH_BAD_DEVICE_KEY_OR_PKCS12"

New Here ,
Apr 28, 2020 Apr 28, 2020

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I can't seem to use my account, nor am I able to erase the authorization. When attempting to open downloaded books, I get the error message "E_AUTH_BAD_DEVICE_KEY_OR_PKCS12". I was told to de- and then re-authorize the device (Mac osX 10.13.6), but attempting to erase the authorization I also get an error message, "Unable to erase authorization. Please try after some time." Trying again doesn't work. I'm able to log on to my account on the Adobe website so shouldn't be a password issue. Any help?

 

 

 

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ADE authorization , Deauthorization

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New Here ,
May 04, 2020 May 04, 2020

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I've run into the same issue. Is anyone from Adobe here to answer this? There are a few similar issues posted here and no official response.

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New Here ,
Jun 12, 2020 Jun 12, 2020

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Has anyone been able to resolve this issue? I'm also experiencing this problem. 

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New Here ,
Jun 13, 2020 Jun 13, 2020

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Same problem, unable to open any downloaded book. Anybody found a solution? I have contacted Adobe customer support three times, but they just told me that they don't offer support for free-of-charge products!

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New Here ,
Jun 14, 2020 Jun 14, 2020

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This worked on Mac: Navigate to /Users//Library/Application Support/Adobe/Digital Editions and drag the activation.dat file to the trash. When opened ADE again I could re-authorize my computer.

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New Here ,
Sep 03, 2022 Sep 03, 2022

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Thanks, this was driving me crazy - and the libary doesn't offer support either.

 

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Participant ,
Oct 23, 2022 Oct 23, 2022

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I am have a similar problem trying to open an acsm ebook from my public library online. It was working before, but now ADE gives me an
"Error! Check Activation" message.

 

So I check my activation and everything is in place. I Go to "Deauthorize my computer." I put in the username and password (tested on the Adobe site), press the "Continue" button, Then I am given the option to "Erase Authorization." When I do that, it just comes back to the the login screen. I have uninstalled and reinstalled several times, no change.

 

Ideas?

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Participant ,
Oct 24, 2022 Oct 24, 2022

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I just found this solution.

_____________________

Windows:

Choose Start > Run.

In the Open text box, type regedit and then press Enter. The Registry Editor opens.

In the left pane of the Registry Editor, locate the following registry key:

HKEY_CURRENT_USER\Software\Adobe\Adept

Right-click the Adept key and choose Delete.

In the Confirm Key Delete dialog, click OK.

Your authorization will be deleted.

ADE will be deauthorized now.

Now Authorize ADE again

_____________________

I hope it helps another person with the same problem,

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