Thanks for your help guys. The computer I had when I set up Copey 2 died, and I no longer have the password for the email address I used, one which I created exclusively for blogging and wiki activities. I can probably delete that email address and resurrect it again with a new password. It wasn't just the Main page, it was nearly all pages, including ones I've edited in the past. I seem to be continuing trouble free—fingers crossed!   
I may need to hang fire on the death and resurrection of the email address—it's probably got stuff I need for this account.