unity-greeter crashed with SIGSEGV in indicator_object_get_entries()

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i dont know, i am not a programmer

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity-greeter 0.2.0-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-10.18-generic 3.2.1
Uname: Linux 3.2.0-10-generic i686
NonfreeKernelModules: wl
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Fri Jan 27 11:33:55 2012
ExecutablePath: /usr/sbin/unity-greeter
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
ProcCmdline: /usr/sbin/unity-greeter
ProcEnviron:
 LANGUAGE=de_AT:de
 PATH=(custom, no user)
 LANG=de_AT.UTF-8
 SHELL=/bin/false
SegvAnalysis:
 Segfault happened at: 0x5e9090 <indicator_object_get_entries+64>: mov 0xc(%eax),%eax
 PC (0x005e9090) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-greeter
StacktraceTop:
 indicator_object_get_entries () from /usr/lib/libindicator3.so.7
 ?? ()
 g_object_newv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_new_valist () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_new () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: unity-greeter crashed with SIGSEGV in indicator_object_get_entries()
UpgradeStatus: Upgraded to precise on 2012-01-21 (5 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #921998, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.