Thank you for your post and welcome to the forums!
I'm sorry to hear that you've been experiencing issues with your TV box. Silly question, have you manually rebooted the box to see if this helps? Sometimes it can get stuck in an update loop and needs a bit of a virtual kick to restore functionality.
If you've tried this to no avail, I'd also like you to try manually connecting to the network by following these steps: press Home on your remote > select Help & Settings > select Settings > select Network > select Connect to the Virgin Media Service now.
Please let us know whether either of these resolve the issue and we can take it from there.
thanks for your response. I tried everything you suggested but nothing worked unfortunately. I got a new box sent out as VM said mine must have a fault and now the new ones started doing the same thing. It’s really frustrating me now to the point I feel like leaving virgin which would be a shame as I’ve been with them since the telewest days.