No Privacy settings and I added the sites to the Allow list for cookies and Pop Up Blocker and still no go. It has to be a Vista problem as I've now tried two XP PCs, one Win & and my Samsung Galaxy and all are fine. It is just this one Vista PC. Also it has been about 3 months since I can say for sure that it worked so there have been too many Windows updates to pinpoint which one might be causing a problem. I Googled Vista Dish Sling (and variations adding "video" and "problems") and couldn't find anything.