personal data sharing program error.

I have time and again tried to install Personal Deta sharing program for bluetooth conection but an error occurs saying Requires installation of untrusted packages (The action would require the installation of packages from not authenticated sources)...i am unable to solve the problem kindly help me.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: software-center 3.0.12
ProcVersionSignature: Ubuntu 2.6.35-32.67-generic 2.6.35.14
Uname: Linux 2.6.35-32-generic i686
Architecture: i386
Date: Mon Apr 20 19:46:39 2015
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:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: software-center