Use a different browser to download Adobe Digital Editions from. Uninstall previous versions of Adobe Digital Editions for Mac OS It's necessary to have administrator privileges to complete these steps. From your user directory, locate /Applications. Drag the digitaleditions1x5 folder to. To download an eBook and add it to Adobe Digital Editions, do the following: Locate the link to download the eBook from the site where you are getting it. For this example, we are downloading an eBook from the Adobe Sample eBook Library.

This error occurs when the authorization information on your Kobo ereader and in Adobe Digital Editions (ADE) doesn't match. Here are some specific error messages you may see on your Kobo when trying to open a transferred title in this scenario:

• Content locked
• Oops! This document couldn't be opened
  This document is protected by Adobe Digital Rights Management (DRM) and is not currently authorized for use with your Adobe ID. Please sign-in with the authorized Adobe ID and try again.

Most of the time, resetting the authorization information for your Kobo and in ADE will fix the problem.

First, reset the authorization on your Kobo

1. Make sure the date and time settings on your Kobo ereader are correct.
   You should find these in the Settings menu on your Kobo.
2. Plug your Kobo into your computer (using the USB cable that came with your Kobo).
3. Open ADE on your computer.
4. Use ADE to delete the ebook that's causing issues from your Kobo and your computer (make sure to choose the Remove from Library option).
5. Click on your Kobo under the 'Devices' menu on the left.
   
6. Click next to 'Devices,' then select Erase Device Authorization. Click Erase Authorization, then OK to confirm.
   

Then, reset the authorization in ADE

1. In ADE, press Ctrl + Shift + D (Command + Shift + D on a Mac) on your keyboard.
2. In the pop-up window that opens, enter the password for your Adobe ID or OverDrive account (and make sure the correct Adobe ID or OverDrive account is listed in the drop-down menu). Then, click Continue.
3. Select Erase Authorization, then OK.
4. Authorize your computer again by going to Help > Authorize Computer.
   Note: Make sure to reauthorize your computer using the same Adobe ID or OverDrive account as before. Otherwise, you won't be able to re-download your ebook from your library's digital collection.

Try transferring the ebook again

Adobe Digital Editions 1.5 Download

1. Re-download the ebook that was causing issues from your library's digital collection.
2. Transfer the ebook from ADE to your Kobo. This step will also reauthorize your Kobo.
3. Try opening the title on your Kobo.

If you're still having trouble, try a factory reset

If resetting your authorization didn't work, you likely need to perform a factory reset on your Kobo. Please note that when you do this, all of the information you have stored on your Kobo will be erased.

1. After you've tried all the steps above, back up anything on your Kobo that you don't want to lose. Then, close ADE and unplug your Kobo.
2. Factory reset your Kobo ereader.
   As stated above, this process will erase all of your data. When you sync next, your ebooks should automatically be restored, but please remember to back everything up before performing the reset.
3. During your device setup, make sure you're connected to Wi-Fi. Accept any prompts to update the device.
4. Plug your Kobo back into your computer, then open ADE.
5. Try transferring the title again.

If you continue to have problems with ADE, see this article for more troubleshooting options.

Use these solutions if you can't install Adobe Digital Editions from Adobe.com, or from the Help menu in Acrobat or Reader.

Use a different browser to download Adobe Digital Editions from Adobe.com:

• Mozilla Firefox: http://www.mozilla.com/firefox/
• Microsoft Internet Explorer: http://www.microsoft.com/windows/internet-explorer/default.aspx
• Apple Safari: http://www.apple.com/safari/download

You must have administrator privileges to complete these steps

Do one of the following, depending on your version of Windows:

• (Windows 7) Choose Start > Control Panel > Programs > Programs And Features.
• (Windows Vista) Choose Start > Control Panel > Programs > Programs And Features.
• (Windows XP) Choose Start > Control Panel, and double-click Add Or Remove Programs.

Select Adobe Digital Editions, and then click the option to remove or uninstall the program.
Restart your computer and reinstall Adobe Digital Editions.

Download the installer for Windows by clicking ADE_4_0_Installer.zip as shown below. Then, extract the .zip file.

Download

Note:

Installer downloads to your computer's downloads folder by default.

Double-click the ADE_4.0_Installer.exe file on your desktop to start the installation.


When a message appears asking you to trust the publisher, click Run again. You can safely download the Adobe Digital Editions installer from Adobe.

It's necessary to have administrator privileges to complete these steps.

Drag the digitaleditions1x5 folder to the Trash, and empty the Trash.

Finish installing or uninstalling any other applications.

Uninstall any earlier versions of Adobe Digital Editions.

Download the installer package for your Mac OS X machine:

Download

Note:

If you clicked the wrong Mac OS X platform, an error message appears. Close the message box and click the correct link to restart the installation.

Click Open in the File Download screen to start the installation.
Note: If your connection times out, click Save, instead of Open, to save the installer package to your desktop.
If necessary, unzip the .zip file. If you're using Safari as your browser, or if Firefox is set up to unzip files, the file unzips automatically.
Double-click the .pkg file to start the installer, and follow the onscreen instructions.

Why Won't Adobe Digital Editions Download Ebook Mac Osx

Note: If your connection times out, save the installer package to your desktop. (Click the link for your Mac OS X machine, and then click Save.) Double-click the file to start the installation.