update-manager crashed with RuntimeError in <module>()

[yohannes]

Binary package hint: update-manager

in my laptop i installed the new ubuntu 9.10 and i restarted my computer . i couldn't log in with the option ubuntu 9. 10 Kerenel 2. 14 option .

what is the cause of this problem.

ProblemType: Crash
Architecture: amd64
Date: Fri Oct 30 21:37:18 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/update-manager
InterpreterPath: /usr/bin/python2.6
Package: update-manager 1:0.126.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.6 /usr/bin/update-manager -d
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.27-14.33-generic
PythonArgs: ['/usr/bin/update-manager', '-d']
SourcePackage: update-manager
Title: update-manager crashed with RuntimeError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/update-manager", line 43, in <module>
     gtk.init_check()
 RuntimeError: could not open display
Uname: Linux 2.6.27-14-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #350988, 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.