ERROR: Contacting Calibre Failed

chantw0968 · 11-05-2020, 06:35 PM

Hello,
I keep getting this error when I am adding books:
Failed to write data to address: \\.\pipe\CalibreGUI-xxxx with error: Unknown error

I noticed it happened when I updated to 5.0

Bookstooge · 11-05-2020, 07:24 PM

What O/S, what version of the O/S and where, exactly, is your library stored?

PeterT · 11-05-2020, 07:49 PM

I suspect it's antivirus

DNSB · 11-05-2020, 08:57 PM

Quote:

Originally Posted by PeterT

I suspect it's antivirus

And if they were updating to 5.0 today, they're a bit late to the party. Perhaps trying an upgrade to 5.4.2 might be helpful.

Though again, where calibre was obtained, the OS and version, where the library is stored, etc. would be helpful.

chantw0968 · 11-06-2020, 12:33 AM

Quote:

Originally Posted by DNSB

And if they were updating to 5.0 today, they're a bit late to the party. Perhaps trying an upgrade to 5.4.2 might be helpful.

Though again, where calibre was obtained, the OS and version, where the library is stored, etc. would be helpful.

Hi,
I have upgraded to 5.4.2 64bit and my OS is Windows 10. I have my calibre library saved on my PC -Programs. I have Kaspersky virus protection.

kovidgoyal · 11-06-2020, 01:06 AM

How are you adding books?

chantw0968 · 11-06-2020, 01:37 AM

Quote:

Originally Posted by kovidgoyal

How are you adding books?

Sometimes double clicking or drag and drop

kovidgoyal · 11-06-2020, 01:43 AM

drag and drop will not generate that error. You could get that error when double clicking. It will happen if communicating between the calibre instance called to add the books and the running calibre fails. This typically happens because of an antivirus program interfering. To confirm try running windows in safe mode and see if the problem goes away.

11-05-2020, 06:35 PM	#1
chantw0968 Connoisseur Posts: 51 Karma: 10 Join Date: Apr 2014 Device: sony e-reader	ERROR: Contacting Calibre Failed Hello, I keep getting this error when I am adding books: Failed to write data to address: \\.\pipe\CalibreGUI-xxxx with error: Unknown error I noticed it happened when I updated to 5.0

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11-05-2020, 07:24 PM	#2
Bookstooge Member Retired Posts: 805 Karma: 2091358 Join Date: May 2019 Device: Kindle Oasis 1st Gen, PB Era	What O/S, what version of the O/S and where, exactly, is your library stored?

11-05-2020, 07:49 PM	#3
PeterT Grand Sorcerer Posts: 13,511 Karma: 78910202 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	I suspect it's antivirus

11-06-2020, 01:06 AM	#6
kovidgoyal creator of calibre Posts: 45,347 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	How are you adding books?

11-06-2020, 01:43 AM	#8
kovidgoyal creator of calibre Posts: 45,347 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	drag and drop will not generate that error. You could get that error when double clicking. It will happen if communicating between the calibre instance called to add the books and the running calibre fails. This typically happens because of an antivirus program interfering. To confirm try running windows in safe mode and see if the problem goes away.

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