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I have a problem with Adobe Digital Editions (4.5.4) in Windows 10. When I try to open ADE, an icon appears on the taskbar with a blue line (showing it is active), but ADE does not appear on the screen. This happens however I try to turn it on, e.g. from the start menu, from a screen icon, or by right-clicking on an epub book in 'My Digital Editions' and telling the computer to open it using ADE. If I try to open an epub (e.g. welcome.epub) and hover over the ADE icon on the taskbar, a thumbnail of the epub appears, but clicking on it just makes the thumbnail disappear. When I then right-click on the ADE icon and tell it to close the window, a dialog box appears with the message (which I don't understand): "welcome.epub is not open from library, would you like to copy it to library?" I have tried uninstalling and reinstalling ADE.
Has anyone else had this problem? How can I get Adobe Digital Editions to open properly so that I can read my epub files?
The Version 4.5 has any problems. Better you uninstall it and install again 3.0.
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Has you check it with right-click and run as admin?
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Thanks for the suggestion — I tried doing as you suggest, but it made no difference.
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Has you try a older version of Digital Edtion? (3.0):
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No, this is the only ADE version I have. I uninstalled the earlier edition when I updated to 4.5.
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The Version 4.5 has any problems. Better you uninstall it and install again 3.0.
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Thanks! That has worked.
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You are welcome.
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I can't get the download on the Adobe website for 3.0
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Thank you for your support , I had the same issue and make above steps , but when add a eBook link the program tell me message ( error check activation ) . please advise .
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Windows:
Close all applications.
Press WINDOWS + R.
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
Remove the Adept Folder.
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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That registry procedure didn't work.
I have Ebooks downloading from Kobo set to open with Adobe Digital Editions. (4.5.10)
Lately, it has stopped opening them. Instead I get a message:
"Unable to open X
Errors were encountered in this item"
Reinstalling and updating didn't help.
Took the advice to revert to 3.0 - http://download.adobe.com/pub/adobe/digitaleditions/ADE_3.0_Installer.exe
Also renamed "My Digital Editions" folder in Documents to "Digital Editions Old"
That worked, but don't know which action was responsible. Should have done them separately...
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This link to install 3.0 doesn't work. I click on it and nothing happens.
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This worked for me!! Thank you. I had issues with 4.5 eddition so I unistalled it and installed the 3.0. I got the authorisation activiation error and so I took the above steps removed the adept file, reauthorised and BINGO!!