You will need to reboot your TV box, to do this simply turn it off and on again
If that doesn't work page 2 advises
Step 2 - Connect to your Virgin Media Service
Using your TV box remote:
Select thehome button
Use the directional buttons to selectHelp & Settings
SelectConnection in progress: get statusorConnect to the Virgin Media Service no
And if that fails you need to contact TV Faults.
You could try the text messaging service. Just send a text with a description of TV Faults to 07533 051809. Your message will go into a queue and a representative will respond to you as soon as possible. It may take a few days.
You can also call 150 from your Virgin landline, or 0345 454 1111, options 1,1 and 2 (faults) butbest to call at 8am to avoid call queues
The Service you do for others is the rent you pay for your room here on Earth - Muhammad Ali