for those who might have the same issue its seems its related to upgrade/downgrade from v2 to v3 then v2
i've installed side/by/side v3 installation and created newer profile and pointed it to the old profile folder by editing profiles.ini and worked -- Thunderbird segfaults, gdb says "file format not recognised" https://bugs.launchpad.net/bugs/500321 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
