Unless you consider an OS reload free? Many do that.
Here I've had very good luck with what Grif notes at http://forums.cnet.com/7726-6122_102-5509131.html?tag=posts;msg5509131 but with no less than 2 free Antivirus up on NINITE.COM why would anyone go without?
Here's why I use Ninite -> http://www.howtogeek.com/201354/ninite-is-the-only-safe-place-to-get-windows-freeware/
I have anti-malware but not an anti-virus software and now I am
paying to remove Trojans. Why can't there be something that
gets rid of all that for the public so we don't have to pay to get rid