I have spent the last couple days doing things like deleting old things, defraging, etc. I also took the recommended steps to get malware off my computer. It is running much better now, but I just want to make sure I got everything. For what it's worth, in step 2 I ran Symantec Endpoint Protection and it found several cases of something called IEDefender, some in files and some in backups. Thanks for taking a look.