Thanks for that. AVG has never been near this PC, was MSE before changing to Avast, and I don’t have any add on toolbars (other than Avast On line Security, which seems to be classified as a tool bar). I use FireFox 25, and also have (but very rarely use IE 10. Those are the only two browsers that have ever been on this PC. I’ll just maintain my browsers manually until/if avast get this working in a manner that doesn’t required agreeing to delete unknown and potentially friendly applications.