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I notice that this error was resolved for a Windows PC but I am having the same issue with my Mac.
I am trying to Erase Authorization because I am getting an errror message:
"Error getting License. License Server Communication Problem:
E_ACT_NOT_READY" when I try to access books from Adobe Digital Editions 4.5.1. I am using a new Macbook running OS El Capitan 10.11.5. I didn't have problems using Adobe Digital Editions with my previous Macbook.
I can open the Erase Authorization window and enter my Adobe ID and password but when I press the Erase Authorization key, it says "Unable to erase authorization. Please try after some time." I have tried over several hours without success.
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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.
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I'm having the same problem, but I don't have a Digital Editions folder under /Library/Application Support/Adobe/
I tried doing a search for activation.dat but found nothing. Any other ideas?
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You sure are in the user library?
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Pretty sure. The Library folder seems to be at the root level, not under User. I can't see a User folder, but there is a Users folder. I tried to use the Go To Folder command to get to User but it, apparently, doesn't exist. I'm using Sierra 10.12.3. Application Support folder only seems to exist under the root Library folder.
I am able to get to Application Support/Adobe, but there is no Digital Editions folder beneath that. Plenty of folders for my other Adobe applications, but not Digital Editions.
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Go in Finder to Go to > Go to Folder and Enter ~/Library.
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Thanks so much for that Nanaky. That got me to the file I was looking for and has allowed me to re-authorise.
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You are welcome.
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Worked like a charm. Thanks
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I have been working on this same problem for hours. I can't find anything under "library" in finder for ADE. I have a new MacBook Air (2019). I have deauthorized previous computers. I have been unsuccessful in my attemts to deauthorize this new computer (Please try after some time.) I am not very tech savvy. Any help would be much appreciated.
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As someone who also tried EVERYTHING and nothing worked, ended up SUPER irritated and studying for an exam without my textbook, I really hope this will work for you as well. At the same time as I had this issue, my Google Chrome was also not remembering my passwords. I don't know how the two issues can be related, but somehow I'm now able to open my textbook on Digital Editions after I fixed my Chrome problem. Here is what I did:
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Hi! I'm on a Mac 10.14.5. I tried the suggestions above and am still not having any luck getting past the error, "Unable to Erase Authorization." Please try after some time." Any other suggestions?