package ushare 1.1a-0ubuntu5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

i have not been able to update my system or ushare since this error appeared. also I am not able to make any config changes to ushare.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: ushare 1.1a-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-13.54-generic 2.6.38.8
Uname: Linux 2.6.38-13-generic i686
Architecture: i386
Date: Wed Feb 1 00:24:08 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: ushare
Title: package ushare 1.1a-0ubuntu5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: Upgraded to natty on 2011-10-28 (97 days ago)