Watch with Win 7 and IE 11. (Thought Chrone and Firefox no good, as not supporting Silverlight etc)
Until recently, was v stable and only misbehaved occasionally. We were joking in work yesterday that it would crash last night with everyone watching Real v PSG. Sure enough, bingo😡Gave up after constant freezing and restarts. Tried again tonight, with far less watching Europa league. Result = same.
Link to bog standard FAQs is no help. Assuming BT chopped bit rate being used to cut costs.