Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 487, in _inline_callbacks
    result.traceback)
  File "/usr/share/software-center/softwarecenter/backend/installbackend_impl/aptd.py", line 344, in remove
    self._on_trans_error(error, trans, pkgname)
  File "/usr/share/software-center/softwarecenter/backend/installbackend_impl/aptd.py", line 1058, in _on_trans_error
    dupes_signature)
  File "/usr/share/software-center/softwarecenter/backend/installbackend_impl/aptd.py", line 1074, in _call_apport_recoverable_error
    'dupes_signature': dupes_signature,
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 16: ordinal not in range(128)