For the record I am running Windows 10 on a Dell desktop XPS 8930, Avast Free Antivirus. Some have suggested this is a bug in a Windows update. Windows did a major update on 7/15 and the problem did not show up until midday 7/17. Looking at control panel list of programs showed that Windows Edge was installed on 7/17, same day of the Avast threat's appearance. I don't use Edge I use Firefox. Anyway, a medical condition prevents me from participating fully in this discussion because I cannot stand or sit for extended periods without severe pain, so I can't really be at the computer. I appreciate the help that all are offering in assisting in getting this thing fixed.