package fuse-utils 2.8.1-1.1ubuntu3.1 failed to install/upgrade: 子进程 已安装的 post-installation 脚本 返回了错误号 2

[ocean]

i have check the /var/lib/dpkg/status document,the part of fuse-utils is like this:
Package: fuse-utils
Status: install ok half-configured
Priority: optional
Section: utils
Installed-Size: 160
Maintainer: Ubuntu Developers <email address hidden>
Architecture: i386
Source: fuse
Version: 2.8.1-1.1ubuntu3.1
Config-Version: 2.8.1-1.1ubuntu2
Depends: libc6 (>= 2.7), libfuse2 (= 2.8.1-1.1ubuntu3.1), sed (>= 4), adduser, udev | makedev (>= 2.3.1-80)
Breaks: udev (<< 136-1)
Conffiles:
 /etc/fuse.conf c9457cf5b2196da67d5ac816d1c86a4f
Description: Filesystem in USErspace (utilities)
 Simple interface for userspace programs to export a virtual
 filesystem to the Linux kernel.
 .
 This package contains the fusermount utility which is necessary to
 mount fuse filesystems.
 .
 This utility is setuid by default. Use dpkg-statoverride if you want
 to change that.
Homepage: http://fuse.sourceforge.net/
Original-Maintainer: Bartosz Fenski <email address hidden>

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: fuse-utils 2.8.1-1.1ubuntu3.1
ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-23-generic i686
AptOrdering:
 google-chrome-stable: Install
 tzdata: Install
 tzdata: Configure
 fuse-utils: Configure
 google-chrome-stable: Configure
Architecture: i386
Date: Sat Mar 12 07:33:32 2011
ErrorMessage: 子进程 已安装的 post-installation 脚本 返回了错误号 2
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: fuse
Title: package fuse-utils 2.8.1-1.1ubuntu3.1 failed to install/upgrade: 子进程 已安装的 post-installation 脚本 返回了错误号 2