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Old 01-29-2016, 08:36 AM   #1
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Error with version 2.50
Hi:
Yesterday I download the last version and now, when I try to start the program...


calibre, version 2.50.0
ERROR: Error de inicio: Ocurrió un error durante el inicio de calibre. Algunas partes de calibre pueden no funcionar. Pulse en «Mostrar detalles» para saber más.

Traceback (most recent call last):
File "site-packages\calibre\gui2\main.py", line 276, in initialize_db_stage2
File "site-packages\calibre\gui2\main.py", line 216, in start_gui
File "site-packages\calibre\gui2\ui.py", line 248, in initialize
File "site-packages\calibre\gui2\device.py", line 887, in init_device_mixin
File "site-packages\calibre\gui2\device.py", line 159, in __init__
File "site-packages\calibre\devices\scanner.py", line 249, in __init__
File "site.py", line 50, in load_module
File "site-packages\calibre\devices\winusb.py", line 399, in <module>
File "site-packages\calibre\devices\winusb.py", line 351, in cwrap
AttributeError: function 'CM_Request_Device_EjectW' not found


By the moment, I uninstall it and install 2.49
Anybody knows something about this problem?

Sorry my grammar
Regards from Lima, Perú
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Old 01-29-2016, 10:55 AM   #2
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I'm also getting the same error. I also uninstalled and installed 2.49.
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Old 01-29-2016, 10:58 AM   #3
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It is somewhere in the new USB device detection code which was rewritten almost from scratch.
There was a beta announced, but clearly not enough people tried it because no one caught this. (Most people never run betas.)

What version of Windows do you have?
Last edited by eschwartz; 01-29-2016 at 11:13 AM.
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Old 01-29-2016, 11:43 AM   #4
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I'm running Windows Vista Home Premium 64 bit Service Pack 2
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Old 01-29-2016, 11:51 AM   #5
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Quote:
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I'm running Windows Vista Home Premium 64 bit Service Pack 2
This has been reported. It is a Vista code (not really) supported issue. .51 will have changes
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Old 01-29-2016, 11:52 AM   #6
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Meanwhile I saw this thread: https://www.mobileread.com/forums/sho...d.php?t=269806

Vista (some? all?) is missing that function. The workaround is in source and will be part of an upcoming v2.51.0 (next Friday's release).
Possibly a bugfix release v2.50.1 will get released today -- hopefully, since it crashes calibre on a supported platform?

Edit: ninjaed.
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Old 01-29-2016, 12:57 PM   #7
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I run Windows Vista Home Premium 64bits... in a couple of weeks I upgrade (not clean install) to Win7
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Old 01-29-2016, 12:59 PM   #8
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Yes, I will upload 2.50.1 in a couple of hours with a hotfix for this (it only affects windows vista users).
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Old 01-29-2016, 01:01 PM   #9
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Quote:
Originally Posted by kovidgoyal View Post
Yes, I will upload 2.50.1 in a couple of hours with a hotfix for this (it only affects windows vista users).
YESSSSSSSSSSS!!!!!!!!!!
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YESSSSSSSSSSS!!!!!!!!!! Like Daniel Bryan
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Old 01-29-2016, 02:31 PM   #10
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Just download and it works great! Thanks Kovid!
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Old 01-29-2016, 04:29 PM   #11
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Old 01-29-2016, 04:32 PM   #12
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Windows 10 won't run on my machine. I can't afford a new computer at this time as I'm on a fixed income.
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Old 01-29-2016, 04:45 PM   #13
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@JSWolf meant to post that in this thread: https://www.mobileread.com/forums/sho...=269806&page=2

Not that he was being any more helpful there...



Just ignore him -- he is always proselytizing Windows 10 at any opportunity, and frequently at no opportunity at all.
The actual topic of the thread is irrelevant. The fact that you were not the true target of his ire is simply random luck.
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Old 01-29-2016, 06:39 PM   #14
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Quote:
Originally Posted by K8HW View Post
Windows 10 won't run on my machine. I can't afford a new computer at this time as I'm on a fixed income.
Are you one of those running Vista? If so it is worth pointing out that Windows 10 is normally less demanding of hardware than Vista. I would expect any PC capable of running Vista to be capable of running Windows 10 with better performance.
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Old 01-29-2016, 07:13 PM   #15
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Are you one of those running Vista? If so it is worth pointing out that Windows 10 is normally less demanding of hardware than Vista. I would expect any PC capable of running Vista to be capable of running Windows 10 with better performance.
I will assume that the poster ran the W10 compatibility tool from M$ and it came up Lemons
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