Okay, we're making progress. What transmitter are you on - Sutton Coldfield, I'd guess? Whatever it is, look it up on ukfree.tv. Make a note of the mux frequencies listed there (e.g. 522.2MHz or similar). Delete the muxes you have, and add all of these one at a time manually:
Frequency: <in kHz, so e.g. 522200 for the above example)
Bandwidth: 8MHz
Everything else: Auto
You should have five or six muxes, depending on whether you have HD (your stick doesn't support Freeview HD, though, so one mux will be dead most likely).
Once you've added them, they should scan and you should find services. Once scanning is complete, the Map Service to Channels button should become available. Click it and see what happens...