Thunderbird doesn't start if ~/.icedove exists and is empty

as a workaround, set up an administrator password in the greeter, then after Tails has started, open a terminal and type

sudo sed -i '/icedove/d' /live/persistence/TailsData_unlocked/persistence.conf

and enter.

Feature Branch: bugfix/12734-claws-persistence-breaks-thunderbird

Original created by @goupille on 12734 (Redmine)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information