1) The writing to disc light stays lit for 10 to 15 minutes while nothing is going on other than the pc is much slower than usual. 2) When I am on a web page, usually Comcast.net my left click will not work properly. I replaced the mouse and the problem remains. 3) A very small pop up flashes for only about one second when I leave the home Comcast.net web page to follow a link to another story. The pop up advertises "E trade" and I have only seen this at the Comcast.net home page. >I called Comcast and they feel it is malware, also, the other PC in our home does not have this pop up. I had