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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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closed as off topic by Marco Ceppi Feb 4 '12 at 1:37

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Can you please check what fault you are getting when you run sudo apt-get update and sudo apt-get upgrade in a terminal? Add that to your question please. –  Bruno Pereira Jan 30 '12 at 13:19
    
Please also provide links to the fixes you tried and inform us about any results from that. –  Michael K Jan 30 '12 at 13:32
    
Welcome to Ask Ubuntu! This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Feb 4 '12 at 0:39

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