upgrade tool crashed (kubuntu 6.10 to 7.04)

Binary package hint: update-manager

Traceback (most recent call last):
  File "/tmp/kde-root/adept_managerw7rDub.tmp-extract/DistUpgradeViewKDE.py", line 137, in pulse
    self.parent.window_main.progress_text.setText("<i>" + _("About %s remaining") % FuzzyTimeToStr(self.eta) + "</i>")
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 4: ordinal not in range(128)

======================================================================

cat /var/log/dist-upgrade/apt.log

updateStatus: Csomagkezelő ellenőrzése
updateStatus: Csomagtároló-információk frissítése
WARNING: Failed to read mirror file
Error in function pulse
updateStatus: Csomagkezelő ellenőrzése
updateStatus: Csomagtároló-információk frissítése
WARNING: Failed to read mirror file
Error in function pulse

======================================================================

cat /var/log/dist-upgrade/apt.log

2007-03-24 21:50:39,654 WARNING Error setting locales (global name 'bindtextdomain' is not defined)
2007-03-24 21:51:22,415 DEBUG Foreign:
2007-03-24 21:51:22,419 DEBUG Obsolete: libvolumeid0 libdns21 linux-image-2.6.17-11-generic linux-restricted-modules-2.6.17-10-generic libtunepimp3 linux-headers-2.6.17-11 libavahi-core4 apt-index-watcher linux-headers-2.6.17-10-generic linux-image-2.6.17-10-generic libdirectfb-0.9-24 linux-restricted-modules-2.6.17-11-generic libgpod0 linux-headers-2.6.17-11-generic linux-headers-2.6.17-10 libicu34
2007-03-24 21:51:22,882 DEBUG updateSourcesList()
2007-03-24 21:51:24,502 DEBUG rewriteSourcesList()
2007-03-24 21:51:33,175 DEBUG examining: 'deb http://gb.archive.ubuntu.com/ubuntu/ feisty-proposed main'
2007-03-24 21:51:33,178 DEBUG entry 'deb http://gb.archive.ubuntu.com/ubuntu/ feisty-proposed main' is already set to new dist
2007-03-24 21:51:33,181 DEBUG examining: 'deb http://hu.archive.ubuntu.com/ubuntu/ feisty main restricted'
2007-03-24 21:51:33,183 DEBUG entry 'deb http://hu.archive.ubuntu.com/ubuntu/ feisty main restricted' is already set to new dist
2007-03-24 21:51:33,185 DEBUG examining: 'deb-src http://hu.archive.ubuntu.com/ubuntu/ feisty main restricted'
2007-03-24 21:51:33,187 DEBUG entry 'deb-src http://hu.archive.ubuntu.com/ubuntu/ feisty main restricted' is already set to new dist
2007-03-24 21:51:33,225 DEBUG examining: 'deb http://hu.archive.ubuntu.com/ubuntu/ feisty-updates main restricted'
2007-03-24 21:51:33,228 DEBUG entry 'deb http://hu.archive.ubuntu.com/ubuntu/ feisty-updates main restricted' is already set to new dist
2007-03-24 21:51:33,230 DEBUG examining: 'deb-src http://hu.archive.ubuntu.com/ubuntu/ feisty-updates main restricted'
2007-03-24 21:51:33,233 DEBUG entry 'deb-src http://hu.archive.ubuntu.com/ubuntu/ feisty-updates main restricted' is already set to new dist
2007-03-24 21:51:33,235 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu feisty-security main restricted'
2007-03-24 21:51:33,236 DEBUG entry 'deb http://security.ubuntu.com/ubuntu feisty-security main restricted' is already set to new dist
2007-03-24 21:51:33,238 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu feisty-security main restricted'
2007-03-24 21:51:33,240 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu feisty-security main restricted' is already set to new dist
2007-03-24 21:51:33,241 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu feisty universe multiverse'
2007-03-24 21:51:33,243 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu feisty universe multiverse' is already set to new dist
2007-03-24 21:51:33,244 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu feisty universe multiverse'
2007-03-24 21:51:33,246 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu feisty universe multiverse' is already set to new dist
2007-03-24 21:51:33,247 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu/ edgy main'
2007-03-24 21:51:33,249 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu/ feisty main' updated to new dist
2007-03-24 21:51:40,161 ERROR Exception in KDE frontend (invoking crash handler):
2007-03-24 21:51:40,164 ERROR Traceback (most recent call last):
  File "/tmp/kde-root/adept_managerw7rDub.tmp-extract/DistUpgradeViewKDE.py", line 137, in pulse
    self.parent.window_main.progress_text.setText("<i>" + _("About %s remaining") % FuzzyTimeToStr(self.eta) + "</i>")
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 4: ordinal not in range(128)