package trousers 0.3.7-2ubuntu1 failed to install/upgrade: 子进程 已安装 post-installation 脚本 返回了错误号 137

[Lolan]

At first, I installed TrouSerS from a package which I downloaded on the Internet.
When I need to install OpenSSL, I started my synaptic, after installed many packages related with OpenSSL, I found that I can installed the 0.3.7 version of TrouSerS, so I entered the source package and uninstalled the package I just installed.
Then, I choosed the four packages include TrouSerS-0.3.7，at last of the installation，It reported that TrouSerS installation error, there is an old installation. I closed the window and found a way to reinstall.
After backup the /var/lib/dpkg/info diretory, I run the command "sudo apt-get autoremove" on the terminal. Then I reinstalled the four TrouSerS related packages and synaptic reported OK/done.
But the second day when I reboot the system, the system reported an error with TrouSerS.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: trousers 0.3.7-2ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
Uname: Linux 3.2.0-24-generic-pae i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Tue May 15 19:53:20 2012
ErrorMessage: 子进程 已安装 post-installation 脚本 返回了错误号 137
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
SourcePackage: trousers
Title: package trousers 0.3.7-2ubuntu1 failed to install/upgrade: 子进程 已安装 post-installation 脚本 返回了错误号 137
UpgradeStatus: No upgrade log present (probably fresh install)