Error opening book on Kobo

[rachelt]

I am getting this error when trying to open book in kobo touch.

This  document is protected by adobe digital rights managment and is not  currently authorized for use with your adobe ID. I have checked and my  computer and device are both authorized. I can read the book on the pc  but will not open on kobo.

[Emavr]

The same for me. How and who can fix this problem?

[rachelt]

I have now fixed the problem based on someone's advice on another question but i can't find their post again.

I uninstalled kobo desktop, set my kobo to factory settings and then reinstalled, when I then authorized my kobo on ade it worked and I'm now able to read the book on my kobo.

[sjpt]

Three things to try:

1. deauthorize the Kobo.  ctrl-shift-E (cmd-shift-E on Mac) while plugged into ADE.  Then reauthorize it (menu/help/authorize device)
2. factory reset the Kobo.  Backup any books you have on it and nowhere else first.
3. suggestion from somebody else ...

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possible help with Kobo issues … I haven’t tried this

from post 23 in http://forums.adobe.com/thread/1124380?tstart=0 by Shirltaylor, Jul 26, 2013

Yes it was extremely frustrating process to read any library books after the upgrade to Adobe Digital Editions 2.0.

Eventually it turned out that the process must have you sign out of the Kobo device Account under settings on the Kobo Device.

What we did was to remove all library books from the Kobo device and from the Adobe Digital Edition

Next was to sign out of the Kobo Device as well as the Kobo Desktop on the PC as well as exiting from Adobe Digital Edition.

Next was to start up Kobo Desktop and sign in.

Next was to connect the Kobo device to the USB port.

This resulted in the Kobo device being upgraded and Sync'd to the Kobo Desktop. Wait until the Sync is complete

Disconnect the Kobo device from the USB port

Next was to restart Adobe Digital Edition and using CTRL-SHIFT-D to deauthorize the computer and select Erase Authorization.

Next was to go back to Adobe Digital Edition, Help and Authorize Computer

Next was to reconnect the Kobo device to the USB port

Next was to select the Kobo device in the Adobe Digial Edition and Authorize the device

Next was to get a library book in the Adobe Digital Edition and then add it to the Kobo Device

Everything seems to be working from then on.

Have fun reading again