Hi there Helen36
Thank you so much for your post and welcome to the community forums, it's great to have you here!
I am so sorry that you have faced an issue setting up eBilling! Can I ask if you have tried accessing the web version of your My Virgin Media profile and then heading to My Profile at the top of the page, then scroll down to the eBilling section and clicking 'switch to eBilling'?
Please do let me know if you are still unable to action this after following these steps and we will be happy to pop you a private message to try from our side instead.