Try this microcrap removal tool. Should use AVG. http://www.softwarepatch.com/windows/microsoftvirusremoval.html
it's probably mcafee scheduled antivirus scan. screenshot of your task manager processes window please!
Sounds like a browser hijack. I noticed this little icon on the bottom right corner that keeps blinking and when i click on it it directs me to a website for spyware software. I tried to get rid of it but I can't do it.
Your computer is relatively clean and new; I don't see the spyware yet I noticed that you don't have anything running either, no charts, no antivirus no nothing. Try to use system restore instead.
I took 2 snapshots. First one read up until the red letters. See the other attachment for the rest of the processes. (Capture 2 and capture 3) Thanks.