Why is my package information seemingly not updating?

Question

Are there no updates for anything or has something gone wrong on my computer?

As of recent, I have been getting a red warning triangle in my notification bar:

When I go to my update manager, it tells me that I have not updated my package information in 14 days (I have)

If I update it, many sources are left at 0% with the word "Idle" instead of "Downloaded"

And here's running sudo apt-get update:

jack@jack-HP-Compaq-nc6400-EH522AV:~$ sudo apt-get update
[sudo] password for jack: 
Ign http://extras.ubuntu.com precise InRelease                                 
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Hit http://packages.medibuntu.org precise InRelease                            
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Ign http://gb.archive.ubuntu.com precise-updates InRelease                     
Ign http://gb.archive.ubuntu.com precise-backports InRelease                   
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Hit http://extras.ubuntu.com precise Release.gpg                               
Ign http://apt.last.fm debian InRelease                                        
Get:1 http://repository.spotify.com stable InRelease [2,979 B]                 
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Ign http://dl.google.com stable InRelease                                      
Hit http://ppa.launchpad.net precise Release.gpg                               
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Get:2 http://dl.google.com stable Release.gpg [198 B]                          
Hit http://ppa.launchpad.net precise Release.gpg                               
Hit http://gb.archive.ubuntu.com precise-backports Release.gpg                 
Err http://repository.spotify.com stable InRelease                             

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Get:3 http://dl.google.com stable Release.gpg [198 B]                          
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Hit http://extras.ubuntu.com precise/main Sources                              
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Get:4 http://dl.google.com stable Release [1,347 B]                            
Hit http://gb.archive.ubuntu.com precise-updates Release                       
Hit http://packages.medibuntu.org precise/free i386 Packages                   
Hit http://archive.canonical.com precise/partner Sources                       
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Hit http://security.ubuntu.com precise-security/main Sources                   
Hit http://gb.archive.ubuntu.com precise-backports Release                     
Get:5 http://dl.google.com stable Release [1,347 B]                            
Hit http://archive.canonical.com precise/partner i386 Packages                 
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Hit http://security.ubuntu.com precise-security/restricted Sources             
Hit http://security.ubuntu.com precise-security/universe Sources               
Hit http://security.ubuntu.com precise-security/multiverse Sources             
Hit http://security.ubuntu.com precise-security/main i386 Packages             
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Hit http://apt.last.fm debian/stable i386 Packages                             
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Hit http://security.ubuntu.com precise-security/universe TranslationIndex      
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Ign http://apt.last.fm debian/stable TranslationIndex                          
Get:6 http://dl.google.com stable/main i386 Packages [1,237 B]                 
Hit http://ppa.launchpad.net precise/main i386 Packages                        
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Hit http://ppa.launchpad.net precise/main Sources                              
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Hit http://gb.archive.ubuntu.com precise/restricted Sources                    
Hit http://gb.archive.ubuntu.com precise/universe Sources                      
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Hit http://gb.archive.ubuntu.com precise/main i386 Packages                    
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Hit http://security.ubuntu.com precise-security/main Translation-en            
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Hit http://gb.archive.ubuntu.com precise/universe TranslationIndex             
Hit http://gb.archive.ubuntu.com precise-updates/main Sources                  
Hit http://security.ubuntu.com precise-security/universe Translation-en        
Ign http://archive.getdeb.net precise-getdeb InRelease                         
Get:7 http://dl.google.com stable/main i386 Packages [768 B]                   
Hit http://gb.archive.ubuntu.com precise-updates/restricted Sources            
Hit http://gb.archive.ubuntu.com precise-updates/universe Sources              
Hit http://gb.archive.ubuntu.com precise-updates/multiverse Sources            
Ign http://packages.medibuntu.org precise/non-free TranslationIndex            
Ign http://dl.google.com stable/main TranslationIndex                          
Hit http://gb.archive.ubuntu.com precise-updates/main i386 Packages            
Hit http://gb.archive.ubuntu.com precise-updates/restricted i386 Packages      
Hit http://gb.archive.ubuntu.com precise-updates/universe i386 Packages        
Hit http://gb.archive.ubuntu.com precise-updates/multiverse i386 Packages      
Hit http://gb.archive.ubuntu.com precise-updates/main TranslationIndex         
Hit http://gb.archive.ubuntu.com precise-updates/multiverse TranslationIndex   
Hit http://gb.archive.ubuntu.com precise-updates/restricted TranslationIndex   
Hit http://gb.archive.ubuntu.com precise-updates/universe TranslationIndex     
Hit http://gb.archive.ubuntu.com precise-backports/main Sources                
Hit http://gb.archive.ubuntu.com precise-backports/restricted Sources          
Hit http://gb.archive.ubuntu.com precise-backports/universe Sources            
Hit http://gb.archive.ubuntu.com precise-backports/multiverse Sources          
Hit http://gb.archive.ubuntu.com precise-backports/main i386 Packages          
Hit http://gb.archive.ubuntu.com precise-backports/restricted i386 Packages    
Hit http://gb.archive.ubuntu.com precise-backports/universe i386 Packages      
Hit http://gb.archive.ubuntu.com precise-backports/multiverse i386 Packages    
Hit http://gb.archive.ubuntu.com precise-backports/main TranslationIndex       
Hit http://gb.archive.ubuntu.com precise-backports/multiverse TranslationIndex 
Hit http://gb.archive.ubuntu.com precise-backports/restricted TranslationIndex 
Hit http://gb.archive.ubuntu.com precise-backports/universe TranslationIndex   
Hit http://gb.archive.ubuntu.com precise/main Translation-en_GB                
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Hit http://gb.archive.ubuntu.com precise/multiverse Translation-en_GB          
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Hit http://gb.archive.ubuntu.com precise/restricted Translation-en_GB          
Hit http://gb.archive.ubuntu.com precise/restricted Translation-en             
Ign http://extras.ubuntu.com precise/main Translation-en_GB                    
Hit http://gb.archive.ubuntu.com precise/universe Translation-en_GB            
Hit http://gb.archive.ubuntu.com precise/universe Translation-en               
Hit http://gb.archive.ubuntu.com precise-updates/main Translation-en           
Hit http://gb.archive.ubuntu.com precise-updates/multiverse Translation-en     
Hit http://gb.archive.ubuntu.com precise-updates/restricted Translation-en     
Hit http://gb.archive.ubuntu.com precise-updates/universe Translation-en       
Ign http://extras.ubuntu.com precise/main Translation-en                       
Ign http://archive.canonical.com precise/partner Translation-en_GB             
Hit http://gb.archive.ubuntu.com precise-backports/main Translation-en         
Hit http://gb.archive.ubuntu.com precise-backports/multiverse Translation-en   
Hit http://gb.archive.ubuntu.com precise-backports/restricted Translation-en   
Hit http://gb.archive.ubuntu.com precise-backports/universe Translation-en     
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Ign http://dl.google.com stable/main Translation-en_GB                         
Ign https://private-ppa.launchpad.net precise InRelease                        
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Hit http://archive.getdeb.net precise-getdeb Release.gpg                       
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Hit http://archive.getdeb.net precise-getdeb Release                           
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Hit https://private-ppa.launchpad.net precise Release                          
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Hit http://archive.getdeb.net precise-getdeb/apps i386 Packages                
Hit https://private-ppa.launchpad.net precise Release                          
Ign http://packages.medibuntu.org precise/non-free Translation-en              
Hit https://private-ppa.launchpad.net precise Release        
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Ign https://private-ppa.launchpad.net precise/main TranslationIndex            
Hit https://private-ppa.launchpad.net precise/main i386 Packages               
Ign https://private-ppa.launchpad.net precise/main TranslationIndex            
Ign http://archive.getdeb.net precise-getdeb/apps Translation-en_GB            
Ign http://archive.getdeb.net precise-getdeb/apps Translation-en
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Ign https://private-ppa.launchpad.net precise/main Translation-en
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Ign https://private-ppa.launchpad.net precise/main Translation-en
Ign https://private-ppa.launchpad.net precise/main Translation-en_GB
Ign https://private-ppa.launchpad.net precise/main Translation-en
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Fetched 5,096 B in 29s (171 B/s)
Reading package lists... Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 082CCEDF94558F59

W: Failed to fetch http://repository.spotify.com/dists/stable/InRelease  

W: Some index files failed to download. They have been ignored, or old ones used instead.
jack@jack-HP-Compaq-nc6400-EH522AV:~$

After I update it, it still tells me that I have not updated the package information in 14 days. What's gone wrong?

Thanks, Jack :)

Running Ubuntu 12.04 LTS on an HPnc6400 with Intel Integrated Graphics. Located in the United Kingdom, so I'm using the GB Ubuntu update servers.

Answer 1

I just found this question on Launchpad Answers. It helped me to solve my problems with Ubuntu. I Hope it'll help someone else as well.

Answer 2

Usually, it's easier to just add the missing key.

Running sudo apt-get update will bring up an error message that says

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 082CCEDF94558F59

The error message ends with NO_PUBKEY 082CCEDF94558F59. You just need to get that number an run sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 082CCEDF94558F59.

Just replace 082CCEDF94558F59 with whatever apt-get update says the missing key is.

If this doesn't work, maybe a firewall is blocking your update, check the Ubuntu apt-key documentation for more information on this.

Answer 3

Woah, I didn't see these answers.

Anyway, eventually, I just removed the offending ppa (the Spotify one) and then it started working again. I've given both of the answers upvotes, however.