If this is affecting your live TV viewing, you probably need to report it as as fault. Assuming you've rebooted your box once and checked (by calling 0800 5610061) that there's not already a known issue in your area.
I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more
Have I helped? Click Mark as Helpful Answer or use Kudos to say thanks