Just to check, could you try modifiying the italian strings in the desktop file, replacing that with english strings, to see if those are actually the cause for the bug somehow?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/765736 Title: Thunderbird won't stay in launcher and no quicklist -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
