because i am unable to find solution of above problem
** Changed in: software-center (Ubuntu) Status: New => Invalid ** Converted to question: https://answers.launchpad.net/ubuntu/+source/software-center/+question/219293 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to software-center in Ubuntu. https://bugs.launchpad.net/bugs/1099290 Title: unable to download or update any thing from ubuntu software center Status in “software-center” package in Ubuntu: Invalid Bug description: when i try to install any software from Ubuntu software center the following error comes The action would require the installation of packages from not authenticated sources. and when i install update from update manger the following error comes The action would require the installation of packages from not authenticated sources. and i am using Ubuntu 10.10 ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: software-center 2.1.5 ProcVersionSignature: Ubuntu 2.6.35-32.68-generic 2.6.35.14 Uname: Linux 2.6.35-32-generic i686 Architecture: i386 Date: Mon Jan 14 10:33:03 2013 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-dell-maverick-une-20101010-0 InstallationMedia: Ubuntu 10.10 "Maverick" - Build i386 LIVE Binary 20101010-01:50 PackageArchitecture: all ProcEnviron: LANGUAGE=en_US:en LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: software-center To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1099290/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp