dpkg-query crashed with SIGSEGV

[Aamessinoukossi]

je parviens pas à installer mon système d'exploitation

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: dpkg 1.16.0.3ubuntu5
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
CasperVersion: 1.287
Date: Tue Mar 20 16:12:14 2012
ExecutablePath: /usr/bin/dpkg-query
LiveMediaBuild: Ubuntu 11.10 "Oneiric" - Build i386 LIVE Binary 20111013-11:02
ProcCmdline: dpkg-query -W --showformat=${Conffiles} ubiquity
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x8051ea8: mov 0x8(%esi),%eax
 PC (0x08051ea8) ok
 source "0x8(%esi)" (0xf7000008) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: dpkg
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()
 ?? ()
Title: dpkg-query crashed with SIGSEGV
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 copy_dependency_links (pkg=0x96f8b9c, updateme=0x96f8bcc, newdepends=0x0, available=false) at ../../../lib/dpkg/parse.c:518
 pkg_parse_copy (src_pkgbin=0xbfb69e8c, src_pkg=0xbfb69e5c, dst_pkgbin=<optimized out>, dst_pkg=0x96f8b9c, ps=<optimized out>) at ../../../lib/dpkg/parse.c:278
 parsedb (filename=0x958c8e8 "/var/lib/dpkg/status", flags=36, donep=0x0) at ../../../lib/dpkg/parse.c:457
 cleanupdates () at ../../../lib/dpkg/dbmodify.c:82
 modstatdb_open (readwritereq=msdbrw_readonly) at ../../../lib/dpkg/dbmodify.c:282

[dino99 (9d9)]

That version is no more supported