I have Webroot for my security (5-PC License) and cannot find a virus, but I have three problems I can't ID or eliminate that started all at the same time on my Windows 10 system: 1) There are these stupid blue arrows pointing at each other overlaid on most of my icons and files and folders. Rebuilding icon cache and rebooting does not stop it. 2) Compressed files are no longer indicated by blue filenames.* 3) When setting advanced attribute for file compression, the GUI says it's for the FOLDER the item is in, not the item itself. *This problem I fixed; During/after system update, some items in File Explorer had been returned to default values. I reset option to indicate file compression and encryption to be indicated in color.