Linked Questions

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0answers
11 views

I keep getting the GPG error, I've tried almost all the solutions but none are working in my case [duplicate]

W: GPG error: http://ubuntu.ntc.net.np utopic Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: ...
0
votes
0answers
23 views

Refreshing package list fails with “public key is not available” [duplicate]

This error comes when I try to run sudo apt-get update W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: ...
3
votes
1answer
720 views

GPG error, signatures public key not available TRIED A LOT

apt-get update returns : W: GPG error: http://pl.archive.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 ...
0
votes
1answer
79 views

Can't get rid of GPG-error: http://download.opensuse.org [duplicate]

I have been googling for hours trying to find a way to get rid of the annoying gpg-error referring to the link below. W: GPG error: http://download.opensuse.org Release: The following signatures ...
2
votes
1answer
6k views

GPG ERROR NO_PUBKEY : WARNING: The following packages cannot be authenticated! [closed]

I have just stared to receive some strange errors regarding GPG keys. Namely I have just added ppa:ubuntu-toolchain-r/test and wanted to update and after that I got this: W: GPG error: ...
0
votes
1answer
71 views

W: GPG error: message in my terminal

I get this msg in my terminal W: GPG error: https://download.01.org trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A902DDA375E52366 ...
2
votes
1answer
359 views

Public key is messing? [duplicate]

I get this error when I update the system: W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
0
votes
0answers
24 views

apt-get update does not work [duplicate]

My apt-get command does not work, I get following error: ~$ sudo apt-get update Ign http://security.ubuntu.com trusty-security InRelease Get:1 http://security.ubuntu.com trusty-security Release.gpg ...
0
votes
0answers
10 views

Boost and IXCoin and PPAs … messy problem [duplicate]

GPG error: download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 29D8C8DAC4447CF3 W: Failed to fetch ...
-1
votes
2answers
69 views

Package manager errors on my ubuntu [duplicate]

I have this issues with my ubuntu apt-get update http://pastebin.com/embed_js.php?i=Ex18v2Ku ubilli@ubilli-pc ~> sudo apt-get update [sudo] password for ubilli: Ign http://ppa.launchpad.net ...

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