Programming error in 'aptdaemon' [closed]

Posted by Real on Ask Ubuntu See other posts from Ask Ubuntu or by Real
Published on 2012-01-30T12:47:50Z Indexed on 2012/06/25 21:23 UTC
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Using Ubuntu 11.10 While performing updates through the update manager I get the following message:

An unhandlable error occured
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.

Details
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 968, in simulate
    trans.unauthenticated = self._simulate_helper(trans)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 1092, in _simulate_helper
    return depends, self._cache.required_download, \
  File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 235, in required_download
    pm.get_archives(fetcher, self._list, self._records)
SystemError: E:Method  has died unexpectedly!, E:Sub-process  returned an error code (100), E:Method /usr/lib/apt/methods/ did not start correctly

Tried some of the fixes that were posted but did not work. What shall I do to fix this issue?

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