Hi,
I'm trayng to upgrade to 13.10 and when I run " update-manager -d -c" i received this errors:


miguel@miguel-M14xR1:~$ update-manager -d -c
A verificar por uma nova versão do Ubuntu.
autenticar 'saucy.tar.gz' contra 'saucy.tar.gz.gpg'
a extrair 'saucy.tar.gz'
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-yfa2q8/saucy", line 10, in <module>
sys.exit(main())
File "/tmp/ubuntu-release-upgrader-yfa2q8/DistUpgrade/DistUpgradeMain.py", line 240, in main
save_system_state(logdir)
File "/tmp/ubuntu-release-upgrader-yfa2q8/DistUpgrade/DistUpgradeMain.py", line 133, in save_system_state
scrub_sources=True)
File "/tmp/ubuntu-release-upgrader-yfa2q8/DistUpgrade/apt_clone.py", line 149, in save_state
self._write_state_sources_list(tar, scrub_sources)
File "/tmp/ubuntu-release-upgrader-yfa2q8/DistUpgrade/apt_clone.py", line 230, in _write_state_sources_list
"./etc/apt/sources.list")
File "/tmp/ubuntu-release-upgrader-yfa2q8/DistUpgrade/apt_clone.py", line 252, in _add_file_to_tar_with_password_check
source_copy.write(line)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 97-98: ordinal not in range(128)
miguel@miguel-M14xR1:~$ ubuntu-bug update
miguel@miguel-M14xR1:~$ ubuntu-bug update-manager

(process:24657): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed


Can someone help with this?
Best regards
Miguel