package postgresql-9.1 9.1.4-0ubuntu12.04 failed to install/upgrade: Insecure directory in $ENV{PATH} while running with -T switch at /usr/bin/pg_ctlcluster line 255

[L amine DIEYE]

My postgresql-9.1 refuse to be updated.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: postgresql-9.1 9.1.4-0ubuntu12.04
ProcVersionSignature: Ubuntu 3.2.0-36.57-generic 3.2.35
Uname: Linux 3.2.0-36-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu17.1
AptOrdering:
 postgresql-9.1: Install
 postgresql-client-9.1: Install
 postgresql-client-9.1: Configure
 postgresql-9.1: Configure
Architecture: i386
Date: Wed Jan 30 08:29:16 2013
ErrorMessage: le sous-processus nouveau script pre-removal a retourné une erreur de sortie d'état 1
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MarkForUpload: True
SourcePackage: postgresql-9.1
Title: package postgresql-9.1 9.1.4-0ubuntu12.04 failed to install/upgrade: le sous-processus nouveau script pre-removal a retourné une erreur de sortie d'état 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.