Update manager fails to apply updates

[Simon Chappell]

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. Please report this error at http://launchpad.net/aptdaemon/+filebug and retry.

Details:

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 779, in simulate
    return self._simulate_helper(trans, status_path)
  File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 945, in _simulate_helper
    status += get_base_records(version.record)
  File "/usr/lib/python2.6/dist-packages/apt/package.py", line 397, in record
    return Record(self._records.record)
  File "/usr/lib/python2.6/dist-packages/apt/package.py", line 172, in __init__
    self._rec = apt_pkg.TagSection(record_str)
ValueError: Unable to parse section data