Welcome to the Community and thanks for posting on the Forum Sorry to hear that the Big Centre TV listings are wrong on the Virgin Media EPG.
Japitts advice is spot on. Please email these guide discrepancies to the email address that was provided in japitts' post to you.
Please let us know how you get on with that.
It's great to see new faces dropping by, but don't be a stranger around the Community! Feel free to browse through the Boards and jump into a thread if you have any advice or tips that may be of use to others.