Windows Police Pro looks like a trustworthy security scanner. It is the farthest thing from it. This virus is spreading through the internet at a rapid pace and ripping off the Microsoft Windows name. Windows Police Pro installs itself onto your system through a trojan virus and launches itself at your startup to try and scare you into purchasing a 'full version'. It will give a warning message when you try to run your programs that read "Running of application is impossible. File is infected."