Showing an old email that I no longer use need to put new one in

Shelia, Please contact Sales Support… Chat with us [AVG] online (http://bit.ly/1bsBJfY). 
AVG Guru

Can't change an old email address would like to have it deleted and put the new one in can you please help me on this , Thank you ,…

Shelia, Please contact Sales Support… Chat with us [AVG] online (http://bit.ly/1bsBJfY). 
AVG Guru