Yes, I had also used Ubuntuzilla to install another copy of Thunderbird.
Did you read the entire bug report?
"That puzzled me and then I remembered that I had also installed
Thunderbird using ubuntuzilla about a week ago. Since both packages
seemed to use identical builds I had forgotten about it.
Have you ever used Ubuntuzilla to install thunderbird. We use
~/.mozilla-thunderbird as the dir with profile and the Ubuntuzilla uses
~/.thunderbird, as far as the versioning is with thunderbird there is a bug on
it already.
See bug #156607 for version number bug.
I have been gone for a few d