package ushare 1.1a-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[Allan]

I have an eror mesage when i make update. package ushare 1.1a-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: ushare 1.1a-0ubuntu7
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Tue May 22 15:40:01 2012
DuplicateSignature:
 Setting up ushare (1.1a-0ubuntu7) ...
 /var/lib/dpkg/info/ushare.config: 22: /etc/ushare.conf: Downloads: not found
 dpkg: error processing ushare (--configure):
  subprocess installed post-installation script returned error exit status 127
ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
SourcePackage: ushare
Title: package ushare 1.1a-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: Upgraded to precise on 2012-05-01 (20 days ago)