At least once per week I get a malware type pop-up while browsing that says I have encountered an "Unknown System Failure" and threatens the end of the world unless I call Microsoft Technical Support at 855-385-8544 which of course is not Microsoft. This entire window locks up all other browser functions. So far the only out is to use Task Manager to end the browser process and then "not restore" the session upon reopening the browser. Has anyone else experienced this and can tell me where it comes from and how do I avoid it?
I have attached a screen shot.
Thanks,