SERIOUS PROBLEM -- SECURITY ISSUE
Some of the links in Yahoo mail and some of the ads trigger a "Helpdesk Windows Support" take over of the browser. The take over changes browser settings.
One more thing, there is no longer a clear way to report security issues to Yahool
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John Cronin
shared this idea
Hi John, you came to the right place to report this. Thank you! Can you please send us screenshots of this the next time you see it? Please send to oasis.mail.feedback@yahooinc.com. Thank you!