I had about 50 trojans on my computer, and a super crafty pieve of adware that took about 4 antivirus softwares to find it and fix it. Seriously, I went about 6 months with out a antivirus program and was just fine. Got Limewire and got Adware. Adware is very annoying, so I ended up downloading Kaspersky, Avast, Avira, McAfee, MalwareBytes, and AdAware to fix the problem. Turns out one of them found the problem, I don't remember which one, but the one that did it was free.
Now I keep downloading more and more to make sure I am clean, but I am clean.. and being so clean is dissapointing now... Cuz I want to make my pc faster I guess, even though it is already fast. Thanks for listening