I cant install any software, showing this message>>There seems to be a programming error in aptdaemon, the software that allows you to install/remove software and to perform other package management related tasks.

[Chowdhury, Helal]

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 961, in simulate
    trans.unauthenticated = self._simulate_helper(trans)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 1085, in _simulate_helper
    return depends, self._cache.required_download, \
  File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 226, in required_download
    pm.get_archives(fetcher, self._list, self._records)
SystemError: E:I wasn't able to locate file for the ttf-mscorefonts-installer package. This might mean you need to manually fix this package.

[Chowdhury, Helal (helalme)]

Thank you so much for your reply!
I already fixed the problem.... now it is ok..

From: Sebastian Heinlein <email address hidden>
To: <email address hidden>
Sent: Monday, August 22, 2011 9:52 AM
Subject: [Bug 830252] Re: I cant install any software, showing this message>>There seems to be a programming error in aptdaemon, the software that allows you to install/remove software and to perform other package management related tasks.

*** This bug is a duplicate of bug 659438 ***
    https://bugs.launchpad.net/bugs/659438

** This bug has been marked a duplicate of bug 659438
   Installation/Removal fails because of package which could not be located (failure in apt.Cache.required_download)

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Title:
  I cant install any software, showing this message>>There seems to be a
  programming error in aptdaemon, the software that allows you to
  install/remove software and to perform other package management
  related tasks.

Status in Aptdaemon:
  New

Bug description:
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 961, in simulate
      trans.unauthenticated = self._simulate_helper(trans)
    File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 1085, in _simulate_helper
      return depends, self._cache.required_download, \
    File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 226, in required_download
      pm.get_archives(fetcher, self._list, self._records)
  SystemError: E:I wasn't able to locate file for the ttf-mscorefonts-installer package. This might mean you need to manually fix this package.

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