Thanks for the reply Russ, Despite best efforts I cannot delete this tree without further technical assistance.
Genealogy.com support have sent me step-by-step instructions via email - unfortunately the instructions as given did not work!
At step 2:When I click on 'edit your page' I am taken to a screen which shows me already logged in - Welcome Sharon & a Log Out link near the My Account link [http://familytreemaker.genealogy.com/regverts.html]
I tried Log Out/Log In to 'reset' the screen, so to speak.
Step 3: I used the username/password supplied by genealogy.com support to Log In again. This redirected me to the Regverts page yet again
Step 4:I don't get as far as step 4 which is supposed to display a new window with a 'delete this page' link.
So I am in a continuous loop which will not allow me to delete the tree, even when I follow instructions from the support department.
I have just sent an email back to support to let them know the instructions did not work. Hopefully they will have some sort of work around for such situations.