virus alerts

Infopackets Reader Jamil S. writes: " Dear Dennis, Lately I have been inundated with Microsoft virus alerts in my web browser claiming that my PC is infected and to call a 1-800 number to fix the problem. There is no way to dismiss the window. The ... Microsoft virus alerts appear suddenly and without warning, even if I'm on Amazon.com (for example). Sometimes the alerts have a very loud verbal pronouncement of a virus and insist that I call the number on the screen. Does Microsoft send virus alerts? Or is this fake? I have scanned my PC and it says no viruses. What gives? " My response: Does ... (view more)