Internet issues (facebook w/ chrome, and yahoo avatars)?

Sounds like a virus of some kind. I'd run Malwarebytes to start. a href="http://www.malwarebytes.org/mbam.php" rel="nofollow"http://www.malwarebytes.org/mbam.php/a (You don't want to delete cookies - those are the things that store information like "keep me signed in".)