ubiquity crashed with AttributeError in ok_handler()

[Assid]

Binary package hint: ubiquity

I was trying to install using the live cd.. however i had the partition mounted already.. without unmounting, and when i went ahead with the installation process. it said that it cant continue any further without having to unmount and format etc. then i get the error.

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
InterpreterPath: /usr/bin/python2.6
MediaBuild: Ubuntu 9.04 "Jaunty Jackalope" - Release i386 (20090420.1)
Package: ubiquity 1.12.12
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity gtk_ui
ProcEnviron: Error: [Errno 13] Permission denied: '/proc/7914/environ'
PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', 'gtk_ui']
SourcePackage: ubiquity
Title: ubiquity crashed with AttributeError in ok_handler()
Uname: Linux 2.6.28-11-generic i686
UserGroups:

[james smith (jsmith81-cs-js)]

As I have been experiencing the the great minds and developers through UBUNTU , I have learned more than ever before with the programs offered through ubuntu. THANK YOU UBUNTU, for the opportunity to grow and move forward with a positive change for good.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for ubiquity (Ubuntu) because there has been no activity for 60 days.]