[obxKevin]

Thought I was crazy when the same thing was happening to me, and yes, it was the stylus sensor. Quick fix for me was to put a tiny piece of cellophane tape on the back of the stylus where it contacts the switch. Problem was solved instantly and I cut the tape carefully so you couldn't even tell it was there. My replacement TP (returned first due to an unrelated issue) does not have this issue.