[Bug 783310] Re: install.py crashed with TypeError in exists(): must be encoded string without NULL bytes, not str

[Apport retracing service]

*** This bug is a duplicate of bug 681274 ***
    https://bugs.launchpad.net/bugs/681274

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 #681274, 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.

** Tags removed: need-duplicate-check

** Attachment removed: "Dependencies.txt"
   https://bugs.launchpad.net/bugs/783310/+attachment/2130435/+files/Dependencies.txt

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/783310/+attachment/2130436/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/783310/+attachment/2130437/+files/ProcStatus.txt

** This bug has been marked a duplicate of private bug 681274

** Visibility changed to: Public

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https://bugs.launchpad.net/bugs/783310

Title:
  install.py crashed with TypeError in exists(): must be encoded string
  without NULL bytes, not str

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Binary package hint: ubiquity

  I don't know about the bug problem much more as i m new to linux. I have done it one time before when i have install it within my window but this time i was trying to install alongside window via usb pen drive all the things ran very clear but at the time of entering my user name and password a bug window comes and without my any interference ubuntu has installed. and a page opens for the bug report so i clicked it for reporting and done this all. If you find any problem within my pc pls let me know and advise me how can i solve this.
  Thanks In Anticipation

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: ubiquity 2.6.10
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  Architecture: i386
  Date: Mon May 16 10:57:32 2011
  ExecutablePath: /usr/share/ubiquity/install.py
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  ProcCmdline: /usr/bin/python /usr/share/ubiquity/install.py
  ProcEnviron:
   LANGUAGE=
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   LC_COLLATE=C
  PythonArgs: ['/usr/share/ubiquity/install.py']
  SourcePackage: ubiquity
  Title: install.py crashed with TypeError in exists(): must be encoded string without NULL bytes, not str
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: