Happened again.
Today, I have only played on Party Poker where tables are given numbers, not names. The attached image shows PP hands being displayed with tables names that bear a strong resemblance to Pokerstars table nomenclature.
There is another issue that may be connected. My Pokerstars username is my main account to which I have aliased my Party Poker and Full Tilt screen names. If I try and select one of my other identities in the drop down menu I am presented with "This player has been set as an alias. Would you like to view the aliased player instead?" with a yes/no option. No matter which option I choose the player remains as my Pokerstars identity.
More HH and log file (I remembered this time) attached to the ticket.