Details of 1-855-472-9850 Popup with Voice Warning
Once you are seeing popup with voice warning asking you to call 1-855-472-9850, your computer might have infected with adware or even malware. Commonly, this kind of popup appears as a fake BSOD or fake virus warning, trying to scare the innocent users that there are problems in their computers. Here is a screenshot of this scam popup:
