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Kobo won't open library book because eReader was previously deauthorized

Community Beginner ,
Apr 06, 2018

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I have a Kobo Glo and I am now getting the following error message "Your eReader is not authorized to open this book. Because you previously deauthorized your eReader, you need to reimport the book using ADE". I have tried reimporting the book, and even returning the book and then reborrowing it before reimporting it to my Kobo. I have tried deauthorizing the reader and then reauthorizing it before reimporting it to my Kobo. Deauthorizing and reauthorizing my Kobo worked a couple of times, but not any longer. I have uninstalled my version of ADE and downloaded and installed the latest version. I have contacted Adobe and they checked my Adobe account and authorizations and was told that I still have unused activations and my authorizations appear to be in order. I can read my books on my MacBook using ADE, and I can even read them using ADE when I click on my Kobo icon in ADE sidebar and open the book. ADE seems to be working as advertised, but my Kobo is not cooperating. I have contacted Kobo as well and they say it's an ADE issue and will not discuss it further. I have not done a factory reset on my Kobo as I don't want to lose all my purchased eBooks. I have checked out a few threads regarding similar issues, but none with my particular error message. Any suggestions are appreciated as I feel I have tried everything, save a Kobo reset, or trashing the Kobo altogether. Thanks

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Kobo won't open library book because eReader was previously deauthorized

Community Beginner ,
Apr 06, 2018

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I have a Kobo Glo and I am now getting the following error message "Your eReader is not authorized to open this book. Because you previously deauthorized your eReader, you need to reimport the book using ADE". I have tried reimporting the book, and even returning the book and then reborrowing it before reimporting it to my Kobo. I have tried deauthorizing the reader and then reauthorizing it before reimporting it to my Kobo. Deauthorizing and reauthorizing my Kobo worked a couple of times, but not any longer. I have uninstalled my version of ADE and downloaded and installed the latest version. I have contacted Adobe and they checked my Adobe account and authorizations and was told that I still have unused activations and my authorizations appear to be in order. I can read my books on my MacBook using ADE, and I can even read them using ADE when I click on my Kobo icon in ADE sidebar and open the book. ADE seems to be working as advertised, but my Kobo is not cooperating. I have contacted Kobo as well and they say it's an ADE issue and will not discuss it further. I have not done a factory reset on my Kobo as I don't want to lose all my purchased eBooks. I have checked out a few threads regarding similar issues, but none with my particular error message. Any suggestions are appreciated as I feel I have tried everything, save a Kobo reset, or trashing the Kobo altogether. Thanks

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Apr 06, 2018 2
New Here ,
Jun 03, 2018

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I had the same problem, but was able to solve it using a response from etherworkon this thread:

Digital Editions to kobo

The key to this is to download a completely NEW book. I tried without downloading a NEW book and it didn't work until I did this with a NEW book.

Good luck!

Please note that you don't have to downgrade to get kobo to work again. Maureen outlined how to fix it here:

Re: Not able to open library books on my Kobo Glo: "Oops! This document couldn't be opened"

With the following list, I am paraphrasing Maureen's excellent advice that finally released me from my anguish:

  1. Delete the problem book(s) from your ereader.
  2. Open Adobe Digital Editions on the computer. Check to see if you can read the problem book(s) in ADE. Connect your e-reader.  Erase authorization on ADE (Go to the Help Menu at the top). Erase the authorization for the ereader (go to the side menu of ADE). Keep the e-reader connected to the computer.
  3. Go to your public library website and get a NEW book. Upload the new book to ADE. Adobe will then PROMPT YOU for the authorization. If it doesn't, go back to "help" at the top and reauthorize ADE. Go to the side menu of ADE to re-authorize your ereader.
  4. Drag the new book into your e-reader. Select "ereader" (ie: NOT all items, or borrowed items, or...). Try opening the book in the ereader area. If it opens there, it's likely that it will open in your e-reader.
  5. Re-upload what were the problem book(s) to your e-reader. Again, select "ereader" in ADE and check that the book(s) can be read there.
  6. Disconnect your e-reader from the computer. Be able to read your book(s) at last!

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Jun 03, 2018 1
New Here ,
Jun 30, 2018

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Thank you! This was extremely helpful! Problem solved.

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Jun 30, 2018 2
New Here ,
Feb 05, 2020

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This is happening to my Kobo Glo HD. I have followed the instruction yet the message, "Your eReader is not authorized to open this book. Because you previously deauthorized your eReader, you need to reimport the book using ADE" pops up again. What other ways I can try? I have already tried reset the Kobo to factory setting. 

Thank you!

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Feb 05, 2020 0
Community Beginner ,
Feb 09, 2020

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I've been stuck with this issue for quite a while now and have tried to do everything as explained all over the forum. So basically I combined a couple of the things of everyone and wrote down what I did that helped me in what I believe are clear words. I had to make these guidelines for my wife anyway so I might as well post them here. If you miss a step, it likely won't work so follow the guidelines carefully. I hope it helps.

  1. Delete the problem book(s) from your E-reader.
  2. Connect your e-reader to the computer and keep it connected until step 8.
  3. Open Adobe Digital Editions on the computer
    1. Delete the problem book(s) in ADE. (really delete, you’ll have to redownload it with the “.acsm” file from the public library websites later)
    2. Erase authorization on ADE (Go to the Help Menu at the top).
    3. Erase the authorization for the E-reader (Go to the side menu of ADE).
  4. Go to your public library website and get a NEW book (it has to be a New one!).
    1. Upload the new book to ADE.
    2. Adobe should prompt you for the authorization. If it doesn't, reauthorize ADE by going to "help" at the top.
  5. Re-authorize your E-reader. By going to the side menu of ADE
  6. Import the new book into your e-reader by right-clicking it and copying it to the E-reader.
  7. Select " E-reader" and try opening it there (ie: NOT via the directories “all items”, or “borrowed items”, or...).
    1. Try opening the book in the E-reader area. If it opens there, it's likely that it will open in your e-reader.
  8. Re-upload what were the problem book(s) to your e-reader.
    1. Again, select " E-reader" in ADE and check that the book(s) can be read there.
  9. Disconnect your e-reader from the computer. Be able to read your book(s) at last!

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Feb 09, 2020 1
New Here ,
Feb 29, 2020

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Sadly, this did not work for my Kobo Aura H2O (1st edition). Thanks for trying though. Problem is, the books automatically open in the computer before I can open them in ereader area of ADE.

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Feb 29, 2020 0
New Here ,
Apr 23, 2020

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OH MY GOODNESS IT WORKED!!!!!!!!!!! i have spent hours on this! THANK YOU!!!!!!

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Apr 23, 2020 0
New Here ,
Jun 25, 2020

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I signed in just to say that THIS WORKED. I have struggled with this issue since getting my Kobo, and this is the ONLY suggestion that worked, even after troubleshooting with Kobo help staff for over an hour. 

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Jun 25, 2020 0
New Here ,
Sep 01, 2020

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thank you so much for this. have been stuck on this issue forever. this is the only thing that has worked. 🙂

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Sep 01, 2020 0
New Here ,
Nov 03, 2020

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many thanks. I had tried re-authorizing, deleting, reloading, but not in your exact order so thanks again. It worked.

 

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Nov 03, 2020 0
New Here ,
Feb 18, 2020

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This saved my sanity after I couldn't get books from my library (Toronto Public Library) to work on my brand new Kobo Libra H2O.

 

Thanks for the great tip!

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Feb 18, 2020 0
Community Beginner ,
Mar 02, 2020

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And the beat goes on! I followed your excellent advice which worked for the first, second and third books but not the fourth! Once I've finished my three books, I'll have to do the whole thing again as I did a few weeks ago. Will this problem never go away? I can't remember how long I've had a Kobo for but this happens to me every year or so. Only this time it doesn't seem to be going away. I love my Kobo but I don't think I'd recommend it to anyone else because these software issues just never got away and if you're not capable of rummaging around the internet, reading all the forums and applying various fixes, you'd never get it sorted. I have at least one girlfriend who would definitely throw the Kobo in the bin and buy a Kindle. I feel a bit that way myself.

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Mar 02, 2020 0
New Here ,
Apr 21, 2020

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It stopped working for me too! I tried contacting support because it doesn't seem like there's an answer on the forums. They provided some excellent information "I would like to inform you that we do not have any dedicated support for digital edition so you need to raise your query on our forums to get the answer on it."

If only you could download library books to the kindle! 

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Apr 21, 2020 0
New Here ,
May 26, 2020

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Thank you! I finally can read those books that wouldn't open before! 

The 2nd time I tried this, I didn't bother to erase authorization and re-authorize.  All I did was get an old book that I knew would work from the library.  Then I dragged both the old book and the new book from ADE to my Kobo (at the same time).  And it worked! 

Maybe this will work for others as well and save a few steps!  Good luck!

 

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May 26, 2020 0
Community Beginner ,
May 27, 2020

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Thanks Krista, I'll try this next time. This is what I did last time:

1. Right-click on books in Adobe and Kobo and Remove from library.

2. De-authorise

3. Borrow a fresh book and download. This forces re authorisation.

4. Then download the books you want. 

 

Let's keep posting about this. I can't believe Kobo expects us to spend $200+ for an eReader with such lousy software. 

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May 27, 2020 0
Community Beginner ,
Sep 05, 2020

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Hi Everyone,

It happened to me again and I've fixed it but thought I'd post to keep the noise about the issue going. I guess Kobo and Adobe don't care because they don't make any money out of us borrowing books from the library.

Keep posting! Squeeky wheel gets the grease!

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Sep 05, 2020 0
OzGirl LATEST
Community Beginner ,
Nov 18, 2020

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Hi, I'm just posting to say it happened again and I followed my own instructions and it worked. Just thought I'd log it in case someone's interested. Seems to be happening to me now about every 3 months. Something to look forward to 😉

Keep posting! And tell Kobo you will NOT be recommending their product to anybody because the software's so lousy.

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Nov 18, 2020 0
New Here ,
Aug 13, 2020

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Thanks This just worked for me. I only hope that I don't have to go through this often.

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Aug 13, 2020 0
New Here ,
Aug 14, 2020

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Thank you so much.  Great clear instructions which worked for me.  So glad I trawled through pages and pages to find this solution.  

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Aug 14, 2020 0
New Here ,
Oct 24, 2020

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Followed the steps exactly and YES.

 

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Oct 24, 2020 0
New Here ,
May 23, 2020

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Things I tried which eventually worked (I'm not sure what the key bit was!): Deleting the book files from ADE and my kobo, and then looking for any more within file explorer - I found old files within the kobo folder as well as within the Adobe Digital Editions Folder. I deauthorised everything and then unplugged the ereader/closed ADE. Then plugged in the ereader and reauthroized the ereader, which automatically did the computer. I then downloaded an entirely new non-DRM book (one picked at random) from my library - I'm wondering if the non-protected nature was important? - and added it to ADE and then the ereader. I then re-downloaded the problem DRM books, and added those to ADE, then the ereader. It's worth noting I decided against flicking through the pages within ADE, just in case this had been causing problems (sometimes this has caused ADE to freeze for me). I then safely-removed the ereader, and voila! Even though the DRM books displayed black covers, the non-DRM was visible, and when I clicked, they opened, much to my surprise! Good luck!

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May 23, 2020 1
New Here ,
Jul 28, 2020

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Thank you for sharing - I had authorized/de-authorized my devices multiple times, deleted and downloaded books to no avail until I saw your point about a non-DRM book. I tried this and for some reason it works. Every time I want to copy a book onto my bookshelf, I copy this non-DRM book as well. Otherwise, it does not work.  It is not perfect but I am so happy to have this function working. Thank you so much! 

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Jul 28, 2020 1
New Here ,
Aug 28, 2020

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Thank you for sharing.  I have spent hours trying different suggestions, but this one actually works.  I can now read my library book.  Again, thanks!!

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Aug 28, 2020 1
Community Beginner ,
Oct 12, 2020

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I have been tearing my hair (what hair?) out for literally hours on this: I did not fully read the above response (I was getting fed up), but had a look (with W10 file explorer) at the file structure on the Kobo when plugged in, and found a load of adobe-related folders with numerical names, and what looked like Adobe ID codes inside.  I deleted all ot these, and maybe other ones as well (they are now gone, and I didn't think to screen shot the contents before deletion - after all, nothing else so far had worked, so why should this?).  I then started ADE on the PC, authorised it, then inserted the Kobo and authorised that, then copied a 'new' book across - and it worked.  I went to bed, hapily reading a book I am fairly sure I read years ago (on paper) - oh well.

I shall attempt to upload an image of the current folder structure - it doesn't seem to conatin the same stuff that I deleted, but gives an idea.

kobo.png

If in doubt, delete every folder on the Kobo that is ADE-related!  If this ever happens again, I wil attempt to show what needs to be deleted more carefully.  For now I am happy.

PS This is certainly a Kobo issue, and they should fix it.  One can hardly expect Adobe to know what the Kobo stores inside itself.  They (Kobo) must have discovered the cure that I found, surely?

Good luck, Martin

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Oct 12, 2020 1
Community Beginner ,
Oct 21, 2020

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...and a few days ;ater, the fault was back - oh well, I tried.

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Oct 21, 2020 0
New Here ,
Oct 25, 2020

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Have you tried making sure the 'new' book you transfer at the same time is non-DRM?

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Oct 25, 2020 0
Community Beginner ,
Oct 29, 2020

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I don't know why transfering a non-protected book would help, but as it happens I have just today tried copying some - they copy across OK and can be read - but previous and subsequent protected books cannot be read.  I have tried more tricks:

* deleting the activation file in F:\.adobe-digital-editions, then re-authorising

* copying protected epub files manually from PC to F:\Digital Editions using File Explorer

* Uninstalled, cleaned registry and re-installed ADE v4.5, then re-authorise both PC and Kobo

Nothing works.  I am getting fed up now!  I will try your suggestion (the order differs), but am not confident...

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Oct 29, 2020 0
Community Beginner ,
Nov 07, 2020

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Mine is now working - but I couldn't tell you why.  I am now using ADE v3 (tried 2, 3 & 4.5 more than once) and keeping my fingers crossed.  I think the issue is related to with Microsoft .Net, as several refs to that appeared in the W10 event log when the failures occurred - so perhaps a Windows update changed something?  I have nearly thown my Kobo in the bin.  Our library was using Cloud Library for a while, and that worked OK, then they switched to another provider, who uses ADE.

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Nov 07, 2020 0
New Here ,
Jul 30, 2020

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Thank you so much for these detailed instructions!  They worked wonderfully for my old Nook, downloading books from our public library.  I HAD been successful with downloading books from the library until about a month ago (June 2020) and suddenly Adobe Digital Editions decided that my Nook was not ok for "copying" from my computer.  This work-around did the trick!

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Jul 30, 2020 0
New Here ,
Oct 26, 2020

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I have an original Kobo Aura, and despite all these tricks, I could only get ADE 4.5 to work intermittently. In the end I uninstalled it and installed ADE 2.0. It worked perfectly first time and I have been able to download my library books again easily.  For my purposes, I can't see the difference between 2.0 and 4.5, so I am happy. - and it took much less time than faffing around authorising/ deauthorising my Kobo and computer.

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Oct 26, 2020 0