When I was using Thunderbird 3.3b3pre (Code Name: Miramar) everything was ok but when I upgrade it to 5.0b1 (from ppa:mozillateam/thunderbird-next) This bug happened to me though Thunderbird icon seen in the Messaging Menu.
Here is an screenshot: http://img849.imageshack.us/img849/3746/menu001l.png
When I was using Thunderbird 3.3b3pre (Code Name: Miramar) everything was ok but when I upgrade it to 5.0b1 (from ppa:mozillateam /thunderbird- next) This bug happened to me though Thunderbird icon seen in the Messaging Menu.
Here is an screenshot: http:// img849. imageshack. us/img849/ 3746/menu001l. png