Ebook setup for Mac OS X

See detailed instructions with screenshots here. Create an Adobe ID and password. If you have not created an Adobe ID, please register for an account here. If you have an Adobe ID but have forgotten your password, reset your password here. Go to the Adobe Digital Editions Download Page and download the Adobe Digital Editions 4.5.X Installer […]
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Error Message that says E_AUTH_BAD_DEVICE_KEY (E_AUTH_BAD__DEVICE_KEY__OR_PKCS12)

This error message occurs when your device is trying to authorize Adobe Digital Editions (ADE). You may need to “unlock” your Keychain to allow access to ADE. Check Keychain Access (program on Mac). If there is an entry for “Digital Editions,” follow the steps from this Adobe article. https://helpx.adobe.com/digital-editions/kb/error-e_auth_bad_device_key.html If there is no entry for […]
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Error Message that says “E_Adept_Request_Expired”

This error message can indicate multiple problems. First, verify your system’s date and time settings – the clock time, date, and time zone must match where you currently reside. Navigate to System Preferences > Date & Time. Verify “Set Date & Time automatically” is enabled. Under “Time Zone”, verify “Set time zone automatically using current […]
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Error Message that says “E_Adept_Request_Expired”

This error message can indicate multiple problems. First, verify your system’s date and time settings. The clock time, date, and time zone must match where you currently reside. Navigate to System Preferences > Date & Time to check. Verify “Set Date & Time automatically” is enabled. Under “Time Zone,” verify “Set time zone automatically using […]
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Error Message that says “License Already Fulfilled by Another User”

If you receive this error message, verify that you have authorized Adobe Digital Editions with an Adobe ID by following these steps: Click “Help” at the top of Adobe Digital Editions. If “Authorization Information” is grayed out, please authorize  by clicking “Authorize Computer” and entering your Adobe ID credentials. If you have previously downloaded your […]
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Error Message that says “I/O Adobe DRM Error”

If you receive this error message, you may need to disable firewall, antivirus, or proxy software temporarily. Firewall, antivirus, and proxy software can intercept the activation request from Adobe Digital Editions to the activation server. If you are encountering this error, try temporarily disabling or verifying any software that may be blocking Adobe Digital Editions […]
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Other Error Messages

You may encounter problems with authorization, which will result in an error that says one of the following: “E_ACT_NOT_READY” “E_AUTH_NOT_READY” “E_ADEPT_INTERNAL” “E_CHECK_ACTIVATION” or “ERROR! CHECK ACTIVATION” You may need to deauthorize and reauthorize Adobe Digital Editions. Open Adobe Digital Editions. If you have a book open, be sure to exit the book and go to your Bookshelf […]
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I’m having trouble with my Adobe ID and Password

Adobe requires that you create an ID and password in order to access their suite of products across multiple devices. You may already have an Adobe ID even if you have not used Adobe Digital Editions. If you do not already have an account, you can sign up here. If you have an Adobe ID […]
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Ebook does not open in Adobe Digital Editions

If your device attempts to automatically open your ebook in a program other than Adobe Digital Editions (ADE), you may need to manually open the ebook from within ADE. Open Adobe Digital Editions and make sure you are in the Library View (not reading an ebook). Go to File and select Add to Library. Search […]
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