In the feed, clicking on some ads, like "Farmer finds missing cow after 8 months"(ad-bitcoinwisdom) results in flashing and locked screen and security warnings - likely a scam of some ilk. One must use alternative means such as task master to close down AOL to get out of the screen. Has happened with other ads in the feed and other places on the Welcome screen. AOL should not accept these ads in the first place or constantly monitor for them and remove them promptly.