0
votes
0answers
32 views

Could not run sudo apt-get update [duplicate]

Every time I run sudo apt-get update, I get this error: W: GPG error: https://download.01.org Ubuntu Release: The following signatures couldn't be verified because the public key is not available: ...
0
votes
0answers
27 views

Can't update or install software [duplicate]

I'm am brand new to Ubuntu. I cannot update software or download software such as Wine. I get a message that says Failed to download repository information. Check internet connection. But I have an ...
2
votes
0answers
26 views

Spotify update error message stops updates from occurring [duplicate]

Possible Duplicate: How do I fix the GPG error “NO_PUBKEY”? After todays update, I restarted my system and got this message: When I check for updates it says that there are ...
0
votes
0answers
26 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: ...
0
votes
0answers
20 views

how to fix when GPG error? [duplicate]

any body know to fix it? W: GPG error: http://ppa.launchpad.net vivid Release: The following signatures were invalid: BADSIG FC14671BA89CA06C Launchpad PPA for Costales
0
votes
0answers
17 views

The following signatures couldn't be verified because the public key is not available [duplicate]

I opened up the terminal typed sudo apt-get update and after it finished I got this GPG error: <W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be ...
0
votes
0answers
16 views

How to install mysql 5.7 on 14.04 using apt-get - W: GPG error: [duplicate]

How to I get the keys for installing mysql? I dont know how to add the keys. gpg --recv-keys 5072E1F5 curl -s ??????? | sudo apt-key add - echo 'deb http://repo.mysql.com/apt/ubuntu trusty ...
1
vote
0answers
15 views

Errors during apt-get update [duplicate]

Software center and synaptics got broken somehow. I seem to have it fixed through sourses.list but I'm getting errors when I run sudo apt-get update. (Screenshot will be coming soon)
0
votes
0answers
14 views

QGIS installation [duplicate]

When I installed QGIS through terminal with istruction from QGIS website, I found this problem W: GPG error: http://qgis.org trusty InRelease: The following signatures couldn't be verified because the ...
3
votes
0answers
13 views

GPG Error when I try to update to 15.04 [duplicate]

GPG error: http://ppa.launchpad.net vivid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 09589874801DF724
0
votes
0answers
12 views

Error on updating Ubuntu [duplicate]

Every time I run an update, I get this at the end of an update. Being a relatively new-user, this hardly makes any sense to me. Could someone please point out to what exactly does this mean? W: GPG ...
0
votes
0answers
9 views

Error in Ubuntu Gnome 15.04 repository list [duplicate]

I'm having problem updating my repository list in Ubuntu Gnome 15.4 : Baixados 4.665 B em 1min 39s (46 B/s) Lendo listas de pacotes... Pronto W: Erro GPG: http://archive.canonical.com vivid ...
81
votes
11answers
164k views

How to fix missing GPG keys?

I have just installed Ubuntu 12.04 and I added some repo and when apt-get update i got missing gpg key. Following command seems to doesn't work for me: apt-get update 2> /tmp/keymissing; for key ...
97
votes
3answers
91k views

How do I deal with “unauthenticated sources” errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
66
votes
9answers
53k views

What's the difference between Wubi and a regular “alongside Windows” installation?

At this time, Wubi does not work with Windows 8 default boot-loader. Thus at this point Wubi would not work on a new Windows 8 machine. Citation fom WubiGuide Question Recently I've learned ...

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