Unfortunately running "find ~/.thunderbird -name langpack*@thunderbird.mozilla.org.xpi -exec rm {} \;" didn't fix it for me. From before running that command, I had just the en-GB language pack:
and had the following thunderbird packages installed:
# dpkg -l | grep thunderbird
ii thunderbird 1:78.3.2+build1-0ubuntu1 amd64 Email, RSS and newsgroup client with integrated spam filter
ii thunderbird-gnome-support 1:78.3.2+build1-0ubuntu1 amd64 Email, RSS and newsgroup client - GNOME support
ii thunderbird-locale-en 1:78.3.2+build1-0ubuntu1 amd64 English language pack for Thunderbird
ii thunderbird-locale-en-gb 1:78.3.2+build1-0ubuntu1 all Transitional English language pack for Thunderbird
ii thunderbird-locale-en-us 1:78.3.2+build1-0ubuntu1 all Transitional English language pack for Thunderbird
As with others, running thunderbird in safe mode works for me.
Unfortunately running "find ~/.thunderbird -name langpack* @thunderbird. mozilla. org.xpi -exec rm {} \;" didn't fix it for me. From before running that command, I had just the en-GB language pack:
~$ find ~/.thunderbird -name langpack* @thunderbird. mozilla. org.xpi
/home/<email address hidden>
and had the following thunderbird packages installed:
# dpkg -l | grep thunderbird 2+build1- 0ubuntu1 amd64 Email, RSS and newsgroup client with integrated spam filter gnome-support 1:78.3. 2+build1- 0ubuntu1 amd64 Email, RSS and newsgroup client - GNOME support locale- en 1:78.3. 2+build1- 0ubuntu1 amd64 English language pack for Thunderbird locale- en-gb 1:78.3. 2+build1- 0ubuntu1 all Transitional English language pack for Thunderbird locale- en-us 1:78.3. 2+build1- 0ubuntu1 all Transitional English language pack for Thunderbird
ii thunderbird 1:78.3.
ii thunderbird-
ii thunderbird-
ii thunderbird-
ii thunderbird-
As with others, running thunderbird in safe mode works for me.