I'm sorry to hear of the recent disruption with our TV service not starting up for you. Also sorry for the delay in responding after a busy period.
Since it's been a while since you posted, I hope you're back up and running, however if you're still experiencing difficulties it would be best to get in touch to have your issue reported following our procedure here: https://virg.in/faults.
You can reach our faults team on 150 from a Virgin Media phone or 0345 454 1111, option 1 then 2. Lines are open between 8am and midnight, 7 days a week.