Do you have a TiVo or a V6? If you're not sure, check here
Picture breakup on iPlayer and on live TV would indicate different fault scenarios.
Pixellation on live TV is indicative of a signal fault, which if one box reboot fails to resolve, needs reporting to VM as a service fault.
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