After we released Beta 6, PokerStars made a significant change which broke PT3's ability to auto-detect PokerStars. This has been resolved for Beta 7.
In the mean time, you will need to manually configure PokerStars. Please see the thread linked below where I provide step-by-step instructions on how to do this.
viewtopic.php?f=16&t=1202Best regards,
Derek