This is a discussion on PT4 doesn't work on cash @ 888.pt within the online poker forums, in the Poker Software & Tools section; Hi all, 888 updated their software 2 days ago.
I have PT4 and the HUD isn't working for cash games on 888. I just did
If you update PT4/HM3 to their latest beta/release version it should work properly. If that does not help then you need to report the problems and send your logs via the PT4 or HM3 support site so we can assist further.