https://bugzilla.redhat.com/show_bug.cgi?id=1563448
--- Comment #14 from Daniel daniel.pfenniger@unige.ch --- Similar problem has been detected:
thunderbird crashed at start
reporter: libreport-2.9.5 cmdline: /usr/bin/python3 /usr/share/system-config-language/system-config-language.py crash_function: decode exception_type: UnicodeDecodeError executable: /usr/share/system-config-language/system-config-language.py interpreter: python3-3.6.6-1.fc28.x86_64 kernel: 4.17.19-200.fc28.x86_64 package: system-config-language-3.4.2-6.fc28 reason: ascii.py:26:decode:UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 1513: ordinal not in range(128) runlevel: N 5 type: Python3 uid: 0