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Old 09-23-2016, 12:17 AM   #1
gsevrain
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Calibre 2.66 and 2.68 ebook viewer error

Hello calibre 2.66 and 2.68 using ebook_viewer.exe (windows 10) gauge gives me the following error, someone has the solution? .

Thanks

calibre 2.68 embedded-python: True is64bit: False
Windows-8-6.2.9200 Windows ('32bit', 'WindowsPE')
('Windows', '8', '6.2.9200')
Python 2.7.9
Windows: ('8', '6.2.9200', '', 'Multiprocessor Free')
Traceback (most recent call last):
File "site-packages\calibre\gui2\viewer\main.py", line 936, in load_ebook
File "site-packages\calibre\ebooks\oeb\iterator\book.py", line 97, in __init__
File "site-packages\calibre\utils\config.py", line 203, in __init__
File "site-packages\calibre\utils\config.py", line 213, in refresh
File "site-packages\calibre\utils\lock.py", line 76, in read
error: (23, 'ReadFile', 'Error de datos (comprobaci\xf3n de redundancia c\xedclica).')
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Old 09-23-2016, 12:21 AM   #2
kovidgoyal
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That indicates the disk you have your calibre configuration directory on is malfunctioning. Try moving the configuration directory somewhere else using an environment variable as described here: https://manual.calibre-ebook.com/cus...ment-variables

You can also google windows ERROR_CRC for more possible solutions.
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Old 09-23-2016, 08:46 AM   #3
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The problem continues.

Thanks.
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Old 09-23-2016, 09:33 AM   #4
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You have not defined any environment variable (as I can see) to change the configuration directory. And a "error de redundancia cíclica" in a file you haven't downloaded is because of a faulty disk.
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Old 09-24-2016, 12:14 PM   #5
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Guess he wasn't able to set the variable correct.

@gsevrain

as usual, there a several way's to do what Kovid mentioned. One method is pointed a the end of the variables listing (see above link from Kovid) called
See How to set environment variables in windows or How to set environment variables in OS X and click on the first link.

An other way for testing is to use a batch file what will set your environment variable. I use two batches, one for set up and one for deleting the variable after I finish my tests. Place it into your desktop so that you can easy use it. Here an example:

First batch (e.g. set_env.bat) for set up the variable
Spoiler:
Code:
echo off
REM
REM Set environment variable for CALIBRE_CONFIG_DIRECTORY
REM
cls

  echo ********************************************************
  echo
  echo all environment variables starting with c before change:
  echo ********************************************************
  
  set c
  setx CALIBRE_CONFIG_DIRECTORY c:\Users\YOUR_USER_NAME\Documents\Calibre\Calibre-Development\Developmentconfig\

  pause
echo on


and a batch file (e.g. del_env.bat) for deleting the variable
Spoiler:
Code:
echo off
REM
REM Delete environment variable for CALIBRE_CONFIG_DIRECTORY
REM
cls

  echo ********************************************************
  echo 
  echo All environment variables starting with c before change:
  echo ********************************************************
  
  set c
  
  setx CALIBRE_CONFIG_DIRECTORY ""
    
  pause
echo on


First create a new directory for your test and then change the line setx c:\Users\YOUR_USER_NAME\Documents\Calibre\Calibre-Development\Developmentconfig\ in the first batch file to your needs. Keep in mind, if your directory name includes spaces like my directory, you need to use apostrophes like "my directory"
Create the batch files with an editor like wordpad, notepad or any other editor (but not MS Word) and save the file with extension "bat" (like set_env.bat). The command pause waits for any keyboard input. If you don't need it, add a REM at the beginning of the line like REM pause or simply delete the line.

Usage: run first the "set_env.bat" then you can start calibre as usual and do your tests. After you had finished your test, close calibre (ctrl+q) and run the second batch file "del_env.bat". After this calibre will run with the default directory again.

Good luck!
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Old 09-24-2016, 04:33 PM   #6
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Old 09-24-2016, 05:03 PM   #7
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Since it is your C drive that's starting to fail, buy a new drive and look for software to clone from one drive to another.
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Old 09-24-2016, 06:34 PM   #8
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Quote:
Originally Posted by gsevrain View Post
Hello calibre 2.66 and 2.68 using ebook_viewer.exe (windows 10) gauge gives me the following error, someone has the solution? .

error: (23, 'ReadFile', 'Error de datos (comprobaci\xf3n de redundancia c\xedclica).')
As you are getting CRC ( comprobacion de redundancia ciclica or cyclic redundancy check ) errors on your hard drive, I'd suggest not worrying about Calibre and start worrying about getting a full backup of your hard drive before replacing it. My experience has been that when a drive starts throwing up errors, it's past time to replace it.

You might want to check that your new hard drive is supported by a disk cloning software to allow copying your old hard drive to the new hard drive as that makes the hard drive replacement procedure a lot easier.
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Old 09-24-2016, 08:44 PM   #9
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Quote:
Originally Posted by JSWolf View Post
Since it is your C drive that's starting to fail, buy a new drive and look for software to clone from one drive to another.
It usually is bundled, but you can download a custom copy from the drive manufacturer ( it check for the brand in the system. that does not need to be part of the clone job , just there )

Clonezilla if you dual boot
(cuz WDTools aka Acronis won't cut it )
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Old 09-25-2016, 02:54 PM   #10
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This may help

Macrium Reflect has a clone feature. I have never used it, so you might want to research this first.

I've used the backup image feature which worked very well when I tried Windows 10.

Ron
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Old 09-26-2016, 05:17 AM   #11
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Try to find a program that will allow you to move on when it find an error in reading from the drive. That's important as it sounds like your drive has at least one read error.
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Old 09-26-2016, 10:42 AM   #12
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Quote:
Originally Posted by JSWolf View Post
Try to find a program that will allow you to move on when it find an error in reading from the drive. That's important as it sounds like your drive has at least one read error.
All Modern drives have S.M.A.R.T.
There is are SMART status utilities that show among other thing, the number of remaining blocks for 'relocation' (yes, there are reserved blocks for that purpose)

If you are out of blocks, that drive is a time bomb.

1T drives are US$ 49 ($59 for Laptops). Clone and replace while the cloning is still possible
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