My computer's been running really slow. I don't know why, I have full virus/trojan/firewall protection and spyware/adware protection. I checked the cpu usage and it isn't using anything more than what my parent's computer is using and theirs isn't going so slow. I scanned my computer for both viruses/trojans and spyware/adware and nothing came up. It was working fine until I got a major auto-update for my virus protection then it just completely slowed down. My mom says that she hasn't gotten that update though and we have the same stuff installed. So, any ideas on what's going on?