I forgot to mention, I ran Avast and it found no problems. I also ran malwarebytes, adwcleaner, CCleaner, Spybot, Junkware Removal Tool utility, Microsoft Security Essentials, everthing came up with no problems found. I plugged in the Ethernet cable, fired up Firefox with Yahoo as home page. Avast popped up with infection url:mal. I'm trying to work that problem now. I still can't find anything that caused Avast and Foxit to just disappear.