I've a ASUS tablet running win 8.1. All internet security features are as per my desktop, but since yesterday I've been getting a popup every time I start IE11 and go to my home page (a news site run by a TV station). It claims to be Internet Explorer Security message which says: A website wants to open web content using this program on your computer. The program will open outside of protected mode. Internet Explorer's protected mode helps ....... Name: Adobe Flash Player. Publisher Microsoft Windows Third Party Applicat...."
Because this is new, I don't trust it. I've run a scan using AVG and Malaware Bytes and nothing comes up.
Is this legitimate, and if so, why does it pop up only since yesterday and why doesn't my other computer with EXACTLY the same software have this popup?