Comment 2 for bug 475075

would you tell me how to fix this problem,I don't know what to do after reading the email you send to me .

  ------------------ 原始邮件 ------------------
  发件人: "Andrew"<email address hidden>;
 发送时间: 2009年11月5日(星期四) 下午2:58
 收件人: "shiweidong2009"<email address hidden>;

 主题: [Bug 475075] Re: requires installation of untrusted packages

*** This bug is a duplicate of bug 464101 ***
    https://bugs.launchpad.net/bugs/464101

** This bug has been marked a duplicate of bug 464101
   Untrusted packages not installable

--
requires installation of untrusted packages
https://bugs.launchpad.net/bugs/475075
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Status in “software-center” package in Ubuntu: New

Bug description:
Binary package hint: software-center

this action would require the installation of packages from not authenticated sources

ProblemType: Bug
Architecture: i386
Date: Thu Nov 5 12:56:25 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: software-center 1.0.2
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: software-center
Uname: Linux 2.6.31-14-generic i686