Total PC Defender is a rogue antivirus application that installs via malware and trojans. The software then runs each time the system boots and will run a fake scan that is designed to scare the user. This scan will find security problems, numerous viruses and they will further claim that they can clean these problems from your system only if you purchase the software. This is a scam to scare you into buying total pc defender. You really should do no such thing. Read on for how to remove total pc defender.