Unable to deauthorize on PC

Report · Mar 25, 2017

I recently replaced my hard drive and when I tried to download an e-book an error message (Error, Check activation) appeared and the solution to that was to de-authorize my computer and re-authorize. When I try to deauthorize another error message appears: Unable to erase authorization. Retry after some time. 12 hours has passed and the message is still appearing. What can I do?

Report · Mar 27, 2017

Windows:

Close all applications.

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

Select the Adept key.

Choose File > Export.

In the Export Registry File dialog box, select Selected Branch under Export Range. Enter a name and location for the backup registry key, and then click Save.

Right-click the Adept key and choose Delete.

In the Confirm Key Delete dialog, click OK.

Close the Registry Editor.

Open Adobe Digital Editions and reauthorize.

Macintosh:

quit Adobe Digital Editions.

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 https://helpx.adobe.com/x-productkb/global/access-hidden-user-library-files.html

Open Adobe Digital Editions and reauthorize.

Report · Mar 28, 2017

I did that but it doesn't work.

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Report · Mar 28, 2017

I tried Nanaky's solution but I skipped Choose File > Export.

In the Export Registry File dialog box, select Selected Branch under Export Range. Enter a name and location for the backup registry key, and then click Save.

and just right clicked on the Adept key and chose Delete. After that, close the Registry Editor, open Adobe and re-authorize.