Requires installation of untrusted packages

Can you please give the output of:

sudo apt-get update

Thanks

E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

some software and update are not being install, not all

i am running an update task

Hit http://in.archive.ubuntu.com maverick Release.gpg
Get:1 http://extras.ubuntu.com maverick Release.gpg [316B]
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en_IN
Get:2 http://extras.ubuntu.com maverick Release [57.3kB]
Err http://extras.ubuntu.com maverick Release

Ign http://in.archive.ubuntu.com/ubuntu/ maverick/main Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/main Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en
Hit http://security.ubuntu.com maverick-security Release.gpg
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en_IN
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en_IN
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en_IN
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en_IN
Hit http://security.ubuntu.com maverick-security Release
Hit http://security.ubuntu.com maverick-security/main i386 Packages
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en
Hit http://security.ubuntu.com maverick-security/restricted i386 Packages
Hit http://security.ubuntu.com maverick-security/universe i386 Packages
Hit http://security.ubuntu.com maverick-security/multiverse i386 Packages
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en_IN
Hit http://in.archive.ubuntu.com maverick-updates Release.gpg
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en_IN
Hit http://in.archive.ubuntu.com maverick Release
Hit http://in.archive.ubuntu.com maverick-updates Release
Hit http://in.archive.ubuntu.com maverick/main i386 Packages
Hit http://in.archive.ubuntu.com maverick/restricted i386 Packages
Hit http://in.archive.ubuntu.com maverick/universe i386 Packages
Hit http://in.archive.ubuntu.com maverick/multiverse i386 Packages
Hit http://in.archive.ubuntu.com maverick-updates/main i386 Packages
Hit http://in.archive.ubuntu.com maverick-updates/restricted i386 Packages
Hit http://in.archive.ubuntu.com maverick-updates/universe i386 Packages
Hit http://in.archive.ubuntu.com maverick-updates/multiverse i386 Packages
Fetched 317B in 1min 12s (4B/s)
Reading package lists... Done
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DB141E2302FDF932

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/maverick/Release

W: Some index files failed to download, they have been ignored, or old ones used instead.

sudo apt-key adv --recv-key --keyserver keyserver.ubuntu.com DB141E2302FDF932

You have added a PPA and not added the key to authenticate it.

i am not understand, i am new Linux user, can you explain me?

ufter i give sudo apt-get update command i do not get this error?
thanks

Thanks actionparsnip, that solved my question.

when i want to install some update or software in ubuntu 10.10 its display this massage

Requires installation of untrusted packages

The action would require the installation of packages from not authenticated sources.
how can i solve this?

#sudo apt-get update
Get:1 http://extras.ubuntu.com maverick Release.gpg [72B]
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en_IN
Get:2 http://security.ubuntu.com maverick-security Release.gpg [198B]
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en_IN
Hit http://extras.ubuntu.com maverick Release
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en_IN
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en_IN
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en_IN
Hit http://extras.ubuntu.com maverick/main Sources
Get:3 http://security.ubuntu.com maverick-security Release [31.4kB]
Hit http://extras.ubuntu.com maverick/main amd64 Packages
Get:4 http://security.ubuntu.com maverick-security/main Sources [31.4kB]
Get:5 http://security.ubuntu.com maverick-security/restricted Sources [14B]
Get:6 http://security.ubuntu.com maverick-security/universe Sources [13.4kB]
Get:7 http://security.ubuntu.com maverick-security/multiverse Sources [649B]
Get:8 http://security.ubuntu.com maverick-security/main amd64 Packages [109kB]
Hit http://archive.canonical.com maverick Release.gpg
Ign http://archive.canonical.com/ubuntu/ maverick/partner Translation-en
Ign http://archive.canonical.com/ubuntu/ maverick/partner Translation-en_IN
Hit http://archive.canonical.com maverick Release
Hit http://archive.canonical.com maverick/partner amd64 Packages
Get:9 http://security.ubuntu.com maverick-security/restricted amd64 Packages [14B]
Get:10 http://security.ubuntu.com maverick-security/universe amd64 Packages [53.5kB]
Get:11 http://security.ubuntu.com maverick-security/multiverse amd64 Packages [1,506B]
Get:12 http://in.archive.ubuntu.com maverick Release.gpg [198B]
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/main Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/main Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en
Ign http://in.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en_IN
Err http://in.archive.ubuntu.com maverick-updates Release.gpg
  Could not connect to in.archive.ubuntu.com:80 (111.91.91.37), connection timed out
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en_IN
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en_IN
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en_IN
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en_IN
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick Release

Ign http://in.archive.ubuntu.com maverick/main Sources/DiffIndex
Ign http://in.archive.ubuntu.com maverick/restricted Sources/DiffIndex
Ign http://in.archive.ubuntu.com maverick/universe Sources/DiffIndex
Ign http://in.archive.ubuntu.com maverick/multiverse Sources/DiffIndex
Ign http://in.archive.ubuntu.com maverick/main amd64 Packages/DiffIndex
Ign http://in.archive.ubuntu.com maverick/restricted amd64 Packages/DiffIndex
Ign http://in.archive.ubuntu.com maverick/universe amd64 Packages/DiffIndex
Ign http://in.archive.ubuntu.com maverick/multiverse amd64 Packages/DiffIndex
Ign http://in.archive.ubuntu.com maverick/main Sources
Ign http://in.archive.ubuntu.com maverick/restricted Sources
Ign http://in.archive.ubuntu.com maverick/universe Sources
Ign http://in.archive.ubuntu.com maverick/multiverse Sources
Ign http://in.archive.ubuntu.com maverick/main amd64 Packages
Ign http://in.archive.ubuntu.com maverick/restricted amd64 Packages
Ign http://in.archive.ubuntu.com maverick/universe amd64 Packages
Ign http://in.archive.ubuntu.com maverick/multiverse amd64 Packages
Ign http://in.archive.ubuntu.com maverick/main Sources
Ign http://in.archive.ubuntu.com maverick/restricted Sources
Ign http://in.archive.ubuntu.com maverick/universe Sources
Ign http://in.archive.ubuntu.com maverick/multiverse Sources
Ign http://in.archive.ubuntu.com maverick/main amd64 Packages
Ign http://in.archive.ubuntu.com maverick/restricted amd64 Packages
Ign http://in.archive.ubuntu.com maverick/universe amd64 Packages
Ign http://in.archive.ubuntu.com maverick/multiverse amd64 Packages
Err http://in.archive.ubuntu.com maverick/main Sources
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/restricted Sources
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/universe Sources
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/multiverse Sources
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/main amd64 Packages
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/restricted amd64 Packages
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/universe amd64 Packages
  Unable to connect to in.archive.ubuntu.com:http:
Err http://in.archive.ubuntu.com maverick/multiverse amd64 Packages
  Unable to connect to in.archive.ubuntu.com:http:
Fetched 242kB in 12min 12s (330B/s)
Reading package lists... Done
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/Release.gpg Could not connect to in.archive.ubuntu.com:80 (111.91.91.37), connection timed out

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/main/i18n/Translation-en.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/main/i18n/Translation-en_IN.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/multiverse/i18n/Translation-en.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/multiverse/i18n/Translation-en_IN.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/restricted/i18n/Translation-en.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/restricted/i18n/Translation-en_IN.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/universe/i18n/Translation-en.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick-updates/universe/i18n/Translation-en_IN.bz2 Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/Release

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/main/source/Sources.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/restricted/source/Sources.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/universe/source/Sources.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/multiverse/source/Sources.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/main/binary-amd64/Packages.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/restricted/binary-amd64/Packages.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/universe/binary-amd64/Packages.gz Unable to connect to in.archive.ubuntu.com:http:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/maverick/multiverse/binary-amd64/Packages.gz Unable to connect to in.archive.ubuntu.com:http:

W: Some index files failed to download, they have been ignored, or old ones used instead.

I get like this how to fix this. please help me

Change server in software centre and it should be ok, clearly the india server is being worked on or is down