package squid3 3.1.19-1ubuntu3.12.04.1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[Marlin]

when i upgrading squid3
error always name up like that...

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: squid3 3.1.19-1ubuntu3.12.04.1
ProcVersionSignature: Ubuntu 3.5.0-24.37-generic 3.5.7.4
Uname: Linux 3.5.0-24-generic i686
ApportVersion: 2.6.1-0ubuntu10
AptOrdering:
 squid3: Install
 squid3: Configure
Architecture: i386
Date: Fri Mar 15 10:03:49 2013
DpkgHistoryLog:
 Start-Date: 2013-03-15 10:03:38
 Commandline: apt-get -f install
 Upgrade: squid3:i386 (3.1.19-1ubuntu3.12.04.1, 3.1.20-1ubuntu1.1)
DpkgTerminalLog:
 Preparing to replace squid3 3.1.19-1ubuntu3.12.04.1 (using .../squid3_3.1.20-1ubuntu1.1_i386.deb) ...
 squid3 stop/waiting
 cat: /var/run/squid3.pid: No such file or directory
 dpkg: error processing /var/cache/apt/archives/squid3_3.1.20-1ubuntu1.1_i386.deb (--unpack):
  subprocess new pre-installation script returned error exit status 1
DuplicateSignature:
 Preparing to replace squid3 3.1.19-1ubuntu3.12.04.1 (using .../squid3_3.1.20-1ubuntu1.1_i386.deb) ...
 squid3 stop/waiting
 cat: /var/run/squid3.pid: No such file or directory
 dpkg: error processing /var/cache/apt/archives/squid3_3.1.20-1ubuntu1.1_i386.deb (--unpack):
  subprocess new pre-installation script returned error exit status 1
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationDate: Installed on 2011-11-24 (476 days ago)
InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release i386 (20111011)
MarkForUpload: True
SourcePackage: squid3
Title: package squid3 3.1.19-1ubuntu3.12.04.1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to quantal on 2013-02-18 (25 days ago)
modified.conffile..etc.squid3.errorpage.css: [deleted]
modified.conffile..etc.squid3.msntauth.conf: [deleted]
mtime.conffile..etc.squid3.squid.conf: 2012-09-18T10:43:33.368972