There is an answer to this question in the following link
https://answers.launchpad.net/ubuntu/+source/xfce4-terminal/+question/7143
but please note that I decide to go back to Dapper and does not face the same problem.
There is an answer to this question in the following link
https:/ /answers. launchpad. net/ubuntu/ +source/ xfce4-terminal/ +question/ 7143
but please note that I decide to go back to Dapper and does not face the same problem.