Ubuntu
update-manager package

I cannot update or install softwares

Asked by Yomal Amarathunge

When i am going to install the updates using update Manager, a error messege comes and it says:
Requires installation of untrusted packages

The action would require the installation of packages from not authenticated sources.

I dont know how to correct this error.In previous weeks (before i updtae the update maneger programme) i was able to install any software and update.But now,the above error comes always
help me please
Description: Ubuntu 12.04.1 LTS
Release: 12.04

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Ubuntu update-manager Edit question
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Solved by:
Yomal Amarathunge
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This question was originally filed as bug #1062018.

Revision history for this message
Yomal Amarathunge (yomimatrix) said : 		#1

When i am going to install the updates using update Manager, a error messege comes and it says:
Requires installation of untrusted packages

The action would require the installation of packages from not authenticated sources.

I dont know how to correct this error.In previous weeks (before i updtae the update maneger programme) i was able to install any software and update.But now,the above error comes always
help me please
Description: Ubuntu 12.04.1 LTS
Release: 12.04

Revision history for this message
Mark Rijckenberg (markrijckenberg) said : 		#2

https://help.ubuntu.com/community/PackageManagerTroubleshootingProcedure

Please post full Terminal output here:

https://answers.launchpad.net/ubuntu/+source/update-manager/+question/210489

Revision history for this message
Yomal Amarathunge (yomimatrix) said : 		#3

thnk you .