I have tried exactly what you suggested but no change, already had those settings. As requested here are the images.Ok we'll try the custommix way first
Press yellow to fetch file
Now set abm
Sky UK: area. Change from northwest Yorkshire HD to your area HD not sd or custom we need HD to swap with cable by pressing right or left.
Then virgin(uk): area change 41064 York(ff Leeds) to your net id
Green to save
Goto providers order and check sky uk is top if not highlight sat_282_sky_uk and press yellow to move up green to save then start scan.
If that doesn't work can you take some pics of the providers screen and upload it