Comment 2 for bug 1044900

The log has:
"""
2012-09-02 06:24:10,960 - softwarecenter.db.pkginfo_impl.aptcache - ERROR - simulate failed
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1595, in on_error
    error.raise_exception()
  File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 487, in _inline_callbacks
    result.traceback)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1630, in _run_transaction_helper
    tid = yield deferred
DBusException: org.freedesktop.DBus.Python.UnicodeDecodeError: Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/defer/__init__.py", line 483, in _inline_callbacks
    result = gen.throw(excep)
  File "/usr/lib/python3/dist-packages/aptdaemon/core.py", line 1485, in _create_trans
    yield policykit1.get_proc_info_from_dbus_name(sender, self.bus)
  File "/usr/lib/python3/dist-packages/defer/__init__.py", line 487, in _inline_callbacks
    result = gen.send(result)
  File "/usr/lib/python3/dist-packages/aptdaemon/policykit1.py", line 157, in get_proc_info_from_dbus_name
    cmdline = cmdline_file.read()
  File "/usr/lib/python3.2/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 68: ordinal not in range(128)
"""
So this appears to be also a aptdaemon issue.