ProtectDefender is yet another recent rogue antivirus application from the wini family. As with many of the other entrants from this family, it is installed through the use of bogus flash updates and purported video codec downloads. Typically a computer user will run across a site that claims to host a well sought after video and when they arrive at the page there is a claim that an extra video codec or flash player update in order to view the video. Once installed on the system it will create numerous files in c:\Windows and c:\windows\system32. These files are harmless, but it will later claim that these files are infected with viruses and other malware. It will also run at windows startup and claim that the only way to fix the problems on your system is to purchase the software. This is essentially a scam…. read on for how to remove protectdefender.