…the “chat” programs work by insisting on absolute and complete control of the computer. It’s not fuzzy, there’s nothing left over, and the service will, on occasion, change with an update. That’s what killed Pamela for Skype a while back. Suddenly, across the globe, Pamela conference recording quit working.
They were down for quite a long time while the Pamela programmers reverse-engineered the last Skype update.