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Error E_IO_CANNOT_OPEN

New Here ,
Jan 16, 2015

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Hi there,

i downloaded an ebook and want to add it to my adobe digital edition library to transfer it to my ebook reader. But when i try to add it, this message comes up:

"Fehler beim Abrufen der Lizenz; Lizenzserver-Kommunikationsfehler: E_IO_CANNOT_OPEN"  (i guess in english it's "licence-server communicationerror" or something like that xD)

I already deinstalled and installed the adobe digital edition anew but the error message is still there. Hope you can help me

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Error E_IO_CANNOT_OPEN

New Here ,
Jan 16, 2015

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Hi there,

i downloaded an ebook and want to add it to my adobe digital edition library to transfer it to my ebook reader. But when i try to add it, this message comes up:

"Fehler beim Abrufen der Lizenz; Lizenzserver-Kommunikationsfehler: E_IO_CANNOT_OPEN"  (i guess in english it's "licence-server communicationerror" or something like that xD)

I already deinstalled and installed the adobe digital edition anew but the error message is still there. Hope you can help me

TOPICS
ADE authorization

Views

4.5K

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Jan 16, 2015 1
New Here ,
Apr 08, 2015

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I got the same error.  Check your ebook reader.  I bet you are at capacity.  Remove/archive some books to make room and you should be good to go.

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Apr 08, 2015 0
New Here ,
May 07, 2015

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I've got the same problems. It's decidetly not the capacity, my ebook reader ist empty and the error occurs when downloading onto the computer...

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May 07, 2015 0
Adobe Employee ,
May 08, 2015

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Please try re-downloading the book.

Thanks

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May 08, 2015 0
New Here ,
May 08, 2015

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Found the root cause:

  • Digital Editions attempts to download ebook to temporary file
  • Temporary file (in %TEMP%\Digital Editions) cannot be created because of permissions [1]
  • Digital Editions errors out with a not very helpful "E_IO_CANNOT_OPEN" result

Workaround:

- Reset the NTFS permission of the Temp folder and below to include your user, for example with this approach‌ (using %TEMP% as folder name, e.g.,

takeown /f "%TEMP%" /r

icacls "%TEMP%" /reset /T

)

[1] The permissions for the entire Temp folder have been changed by some program, removing the user from the permission list. This may be an Adobe problem itself, as explained in this post‌‌, but has not yet been verified. Resetting the permissions makes Digital Editions work as expected, until the permissions are changed back again.

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May 08, 2015 4
New Here ,
Aug 30, 2015

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OMG!!!!!!!!!!!!!AFTER HALF A YEAR OF NOT BEING ABLE TO DOWNLOAD BOOKS!!!!!!!!!!!!!! THANKS A LOT!!!!!!!!!

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Aug 30, 2015 0
New Here ,
Oct 11, 2015

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Hi:

I've just installed ADE 4.5 but get this error message when I try to open it (ADE)  "Unexpected error

                                                                                                                       Unexpected error occurs:

                                                                                                                        E_IO_CANNOT OPEN"

Is this a permission error too? I've just had  Windows 10 installed (by Microsoft) and have had a host of permission problems. I think the issue is that Microsoft did an overlay of 10 on Windows 7 instead of completely uninstalling Windows 7.

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Oct 11, 2015 0
New Here ,
Oct 25, 2015

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I'm really glad there is a solution to this problem since it seems to much like the common cold (no cure!)

However, I'm not that tech savy and when you say:

- Reset the NTFS permission of the Temp folder and below to include your user, ....

I have no idea how to do this.

Would someone please give me some for Dummies level instructions on how to do this?

It would be so much appreciated!!

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Oct 25, 2015 0
New Here ,
Nov 07, 2015

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You are awesome!  This worked.  Just typed run from my 'windows square' typed in your commands (including the quotation marks) and next thing I new my Adobe Digital Editions Software was working again.  (I hate Adobe Digital Editions...won't ever buy another book on that software as it SUCKS, but at least I can read to one book I made the mistake of buying on that software).  Thanks so very much!!!!!

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Nov 07, 2015 0
New Here ,
Nov 03, 2017

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Thanks a lot for the idea to check the properties of the temp folder : I just had to cancel its "read only" property. (The two suggested commands had no visible effect and led to the same error message).

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Nov 03, 2017 0
TvA1972 LATEST
New Here ,
Dec 06, 2019

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Hi, your answer did guide me towards the solution, although the steps provided didn't work for me. Took me a while to figure out why. Let me explain.

The E_IO_CANNOT_OPEN basically means the read/write from PC to Ereader does not work. There can several reasons, with the TEMP-folder being restricted access-wise one them, which can be solved by the above procedure.

 

In my case (working on corporate laptop) the permission to use datatransfer via USB-ports has been disabled, trying to keep viruses out and prevent/limit theft of confidential data etc.

The solution is then to use a different PC or Laptop on which you have all priviliges (both the read/write of the TEMP folder as mentioned above, but also no limitations on USB communication (I also got a warning when I connected my Ereader to my corporate laptop that there was something wrong with the device; that should have been the clue direct from the start on what the problem was, but it took a few more attempts removing the authentication and registering again before I realised the actual root cause).

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Dec 06, 2019 0
New Here ,
Mar 12, 2017

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Just get a refund from google books.

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Mar 12, 2017 0