I have avg as well and got onto a site that gave me all kinds of warnings that I had encountered a virus and needed to download something to take care of it. I could not get away from the page because every click I made brought back that message. I couldn't even go back to my home page. I ended up turning it off and then back on which allowed me to do my own scan with avg. I did not have a virus and it has been working fine. I used to have Norton and got a virus and our computer guys recommened AVG and we have used them since.