Virgin Media UK has evidently raised an internal ticket F009669229 on this issue. If you reported this issue to Virgin Media UK, please update your tickets with a reference to that ticket. We are still trying to figure out how to get our private contact details into that ticket for direct collaboration on resolving this issue.
EDIT: And now our details are in that ticket; now we wait, standing by to provide information or direct help to Virgin Media to resolve this issue.